├── .gitignore ├── README.md ├── build └── contracts │ ├── BasicToken.json │ ├── ERC20.json │ ├── ERC20Basic.json │ ├── Migrations.json │ ├── SafeMath.json │ ├── StandardToken.json │ └── TutorialToken.json ├── contracts ├── Migrations.sol └── TutorialCoin.sol ├── front ├── .gitignore ├── README.md ├── package.json ├── public │ ├── favicon.ico │ ├── index.html │ └── manifest.json ├── src │ ├── App.css │ ├── App.js │ ├── App.test.js │ ├── contracts │ ├── index.css │ ├── index.js │ ├── logo.svg │ └── registerServiceWorker.js └── yarn.lock ├── migrations ├── 1_initial_migration.js └── 2_deploy_contract.js ├── package.json ├── truffle-config.js ├── truffle.js └── yarn.lock /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules/ 2 | front/node_modules/ 3 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Ethereum Token Tutorial 2 | 3 | This is example repo for my articles about simple ERC20 compliant token: 4 | 5 | * [Part 1](http://maksimivanov.com/posts/ethereum-react-dapp-tutorial) 6 | * [Part 2](http://maksimivanov.com/posts/ethereum-react-dapp-tutorial-part-2) 7 | 8 | ## How to run 9 | 10 | First install truffle and ganache globally: 11 | 12 | ```sh 13 | npm install -g truffle 14 | npm install -g ganache-cli 15 | ``` 16 | 17 | Now run `ganache-cli` on port `7545`: 18 | 19 | ```sh 20 | ganache-cli -b 3 -p 7545 21 | ``` 22 | 23 | Run the migrations (contracts are already compiled): 24 | 25 | ```sh 26 | truffle migrate 27 | ``` 28 | 29 | Install [🦊 Metamask](https://metamask.io/) browser extension and connect to local network (custom RPC, `http://localhost:7545`) 30 | 31 | Go to `/front` folder install dependencies and run the app: 32 | 33 | ```sh 34 | cd front 35 | yarn 36 | yarn start 37 | ``` 38 | 39 | Web app should be available on `http://localhost:3000`. 40 | 41 | ![Web app](http://d33wubrfki0l68.cloudfront.net/c4250fbace5f71f2af9312a7cea4d52c5d8dbf73/ae75a/assets/images/tutorial_token_wallet.png) 42 | 43 | Login to Metamask using first private key from `ganache-cli` output. This account has all the Tutorial Tokens. 44 | 45 | Try to send tokens to one of other accounts. You can get their addresses from `ganache-cli` as well. 46 | -------------------------------------------------------------------------------- /build/contracts/ERC20.json: -------------------------------------------------------------------------------- 1 | { 2 | "contractName": "ERC20", 3 | "abi": [ 4 | { 5 | "constant": false, 6 | "inputs": [ 7 | { 8 | "name": "spender", 9 | "type": "address" 10 | }, 11 | { 12 | "name": "value", 13 | "type": "uint256" 14 | } 15 | ], 16 | "name": "approve", 17 | "outputs": [ 18 | { 19 | "name": "", 20 | "type": "bool" 21 | } 22 | ], 23 | "payable": false, 24 | "stateMutability": "nonpayable", 25 | "type": "function" 26 | }, 27 | { 28 | "constant": true, 29 | "inputs": [], 30 | "name": "totalSupply", 31 | "outputs": [ 32 | { 33 | "name": "", 34 | "type": "uint256" 35 | } 36 | ], 37 | "payable": false, 38 | "stateMutability": "view", 39 | "type": "function" 40 | }, 41 | { 42 | "constant": false, 43 | "inputs": [ 44 | { 45 | "name": "from", 46 | "type": "address" 47 | }, 48 | { 49 | "name": "to", 50 | "type": "address" 51 | }, 52 | { 53 | "name": "value", 54 | "type": "uint256" 55 | } 56 | ], 57 | "name": "transferFrom", 58 | "outputs": [ 59 | { 60 | "name": "", 61 | "type": "bool" 62 | } 63 | ], 64 | "payable": false, 65 | "stateMutability": "nonpayable", 66 | "type": "function" 67 | }, 68 | { 69 | "constant": true, 70 | "inputs": [ 71 | { 72 | "name": "who", 73 | "type": "address" 74 | } 75 | ], 76 | "name": "balanceOf", 77 | "outputs": [ 78 | { 79 | "name": "", 80 | "type": "uint256" 81 | } 82 | ], 83 | "payable": false, 84 | "stateMutability": "view", 85 | "type": "function" 86 | }, 87 | { 88 | "constant": false, 89 | "inputs": [ 90 | { 91 | "name": "to", 92 | "type": "address" 93 | }, 94 | { 95 | "name": "value", 96 | "type": "uint256" 97 | } 98 | ], 99 | "name": "transfer", 100 | "outputs": [ 101 | { 102 | "name": "", 103 | "type": "bool" 104 | } 105 | ], 106 | "payable": false, 107 | "stateMutability": "nonpayable", 108 | "type": "function" 109 | }, 110 | { 111 | "constant": true, 112 | "inputs": [ 113 | { 114 | "name": "owner", 115 | "type": "address" 116 | }, 117 | { 118 | "name": "spender", 119 | "type": "address" 120 | } 121 | ], 122 | "name": "allowance", 123 | "outputs": [ 124 | { 125 | "name": "", 126 | "type": "uint256" 127 | } 128 | ], 129 | "payable": false, 130 | "stateMutability": "view", 131 | "type": "function" 132 | }, 133 | { 134 | "anonymous": false, 135 | "inputs": [ 136 | { 137 | "indexed": true, 138 | "name": "owner", 139 | "type": "address" 140 | }, 141 | { 142 | "indexed": true, 143 | "name": "spender", 144 | "type": "address" 145 | }, 146 | { 147 | "indexed": false, 148 | "name": "value", 149 | "type": "uint256" 150 | } 151 | ], 152 | "name": "Approval", 153 | "type": "event" 154 | }, 155 | { 156 | "anonymous": false, 157 | "inputs": [ 158 | { 159 | "indexed": true, 160 | "name": "from", 161 | "type": "address" 162 | }, 163 | { 164 | "indexed": true, 165 | "name": "to", 166 | "type": "address" 167 | }, 168 | { 169 | "indexed": false, 170 | "name": "value", 171 | "type": "uint256" 172 | } 173 | ], 174 | "name": "Transfer", 175 | "type": "event" 176 | } 177 | ], 178 | "bytecode": "0x", 179 | "deployedBytecode": "0x", 180 | "sourceMap": "", 181 | "deployedSourceMap": "", 182 | "source": "pragma solidity ^0.4.18;\n\nimport \"./ERC20Basic.sol\";\n\n\n/**\n * @title ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/20\n */\ncontract ERC20 is ERC20Basic {\n function allowance(address owner, address spender) public view returns (uint256);\n function transferFrom(address from, address to, uint256 value) public returns (bool);\n function approve(address spender, uint256 value) public returns (bool);\n event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n", 183 | "sourcePath": "zeppelin-solidity/contracts/token/ERC20/ERC20.sol", 184 | "ast": { 185 | "attributes": { 186 | "absolutePath": "zeppelin-solidity/contracts/token/ERC20/ERC20.sol", 187 | "exportedSymbols": { 188 | "ERC20": [ 189 | 326 190 | ] 191 | } 192 | }, 193 | "children": [ 194 | { 195 | "attributes": { 196 | "literals": [ 197 | "solidity", 198 | "^", 199 | "0.4", 200 | ".18" 201 | ] 202 | }, 203 | "id": 285, 204 | "name": "PragmaDirective", 205 | "src": "0:24:4" 206 | }, 207 | { 208 | "attributes": { 209 | "SourceUnit": 359, 210 | "absolutePath": "zeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol", 211 | "file": "./ERC20Basic.sol", 212 | "scope": 327, 213 | "symbolAliases": [ 214 | null 215 | ], 216 | "unitAlias": "" 217 | }, 218 | "id": 286, 219 | "name": "ImportDirective", 220 | "src": "26:26:4" 221 | }, 222 | { 223 | "attributes": { 224 | "contractDependencies": [ 225 | 358 226 | ], 227 | "contractKind": "contract", 228 | "documentation": "@title ERC20 interface\n@dev see https://github.com/ethereum/EIPs/issues/20", 229 | "fullyImplemented": false, 230 | "linearizedBaseContracts": [ 231 | 326, 232 | 358 233 | ], 234 | "name": "ERC20", 235 | "scope": 327 236 | }, 237 | "children": [ 238 | { 239 | "attributes": { 240 | "arguments": [ 241 | null 242 | ] 243 | }, 244 | "children": [ 245 | { 246 | "attributes": { 247 | "contractScope": null, 248 | "name": "ERC20Basic", 249 | "referencedDeclaration": 358, 250 | "type": "contract ERC20Basic" 251 | }, 252 | "id": 287, 253 | "name": "UserDefinedTypeName", 254 | "src": "162:10:4" 255 | } 256 | ], 257 | "id": 288, 258 | "name": "InheritanceSpecifier", 259 | "src": "162:10:4" 260 | }, 261 | { 262 | "attributes": { 263 | "body": null, 264 | "constant": true, 265 | "implemented": false, 266 | "isConstructor": false, 267 | "modifiers": [ 268 | null 269 | ], 270 | "name": "allowance", 271 | "payable": false, 272 | "scope": 326, 273 | "stateMutability": "view", 274 | "superFunction": null, 275 | "visibility": "public" 276 | }, 277 | "children": [ 278 | { 279 | "children": [ 280 | { 281 | "attributes": { 282 | "constant": false, 283 | "name": "owner", 284 | "scope": 297, 285 | "stateVariable": false, 286 | "storageLocation": "default", 287 | "type": "address", 288 | "value": null, 289 | "visibility": "internal" 290 | }, 291 | "children": [ 292 | { 293 | "attributes": { 294 | "name": "address", 295 | "type": "address" 296 | }, 297 | "id": 289, 298 | "name": "ElementaryTypeName", 299 | "src": "196:7:4" 300 | } 301 | ], 302 | "id": 290, 303 | "name": "VariableDeclaration", 304 | "src": "196:13:4" 305 | }, 306 | { 307 | "attributes": { 308 | "constant": false, 309 | "name": "spender", 310 | "scope": 297, 311 | "stateVariable": false, 312 | "storageLocation": "default", 313 | "type": "address", 314 | "value": null, 315 | "visibility": "internal" 316 | }, 317 | "children": [ 318 | { 319 | "attributes": { 320 | "name": "address", 321 | "type": "address" 322 | }, 323 | "id": 291, 324 | "name": "ElementaryTypeName", 325 | "src": "211:7:4" 326 | } 327 | ], 328 | "id": 292, 329 | "name": "VariableDeclaration", 330 | "src": "211:15:4" 331 | } 332 | ], 333 | "id": 293, 334 | "name": "ParameterList", 335 | "src": "195:32:4" 336 | }, 337 | { 338 | "children": [ 339 | { 340 | "attributes": { 341 | "constant": false, 342 | "name": "", 343 | "scope": 297, 344 | "stateVariable": false, 345 | "storageLocation": "default", 346 | "type": "uint256", 347 | "value": null, 348 | "visibility": "internal" 349 | }, 350 | "children": [ 351 | { 352 | "attributes": { 353 | "name": "uint256", 354 | "type": "uint256" 355 | }, 356 | "id": 294, 357 | "name": "ElementaryTypeName", 358 | "src": "249:7:4" 359 | } 360 | ], 361 | "id": 295, 362 | "name": "VariableDeclaration", 363 | "src": "249:7:4" 364 | } 365 | ], 366 | "id": 296, 367 | "name": "ParameterList", 368 | "src": "248:9:4" 369 | } 370 | ], 371 | "id": 297, 372 | "name": "FunctionDefinition", 373 | "src": "177:81:4" 374 | }, 375 | { 376 | "attributes": { 377 | "body": null, 378 | "constant": false, 379 | "implemented": false, 380 | "isConstructor": false, 381 | "modifiers": [ 382 | null 383 | ], 384 | "name": "transferFrom", 385 | "payable": false, 386 | "scope": 326, 387 | "stateMutability": "nonpayable", 388 | "superFunction": null, 389 | "visibility": "public" 390 | }, 391 | "children": [ 392 | { 393 | "children": [ 394 | { 395 | "attributes": { 396 | "constant": false, 397 | "name": "from", 398 | "scope": 308, 399 | "stateVariable": false, 400 | "storageLocation": "default", 401 | "type": "address", 402 | "value": null, 403 | "visibility": "internal" 404 | }, 405 | "children": [ 406 | { 407 | "attributes": { 408 | "name": "address", 409 | "type": "address" 410 | }, 411 | "id": 298, 412 | "name": "ElementaryTypeName", 413 | "src": "283:7:4" 414 | } 415 | ], 416 | "id": 299, 417 | "name": "VariableDeclaration", 418 | "src": "283:12:4" 419 | }, 420 | { 421 | "attributes": { 422 | "constant": false, 423 | "name": "to", 424 | "scope": 308, 425 | "stateVariable": false, 426 | "storageLocation": "default", 427 | "type": "address", 428 | "value": null, 429 | "visibility": "internal" 430 | }, 431 | "children": [ 432 | { 433 | "attributes": { 434 | "name": "address", 435 | "type": "address" 436 | }, 437 | "id": 300, 438 | "name": "ElementaryTypeName", 439 | "src": "297:7:4" 440 | } 441 | ], 442 | "id": 301, 443 | "name": "VariableDeclaration", 444 | "src": "297:10:4" 445 | }, 446 | { 447 | "attributes": { 448 | "constant": false, 449 | "name": "value", 450 | "scope": 308, 451 | "stateVariable": false, 452 | "storageLocation": "default", 453 | "type": "uint256", 454 | "value": null, 455 | "visibility": "internal" 456 | }, 457 | "children": [ 458 | { 459 | "attributes": { 460 | "name": "uint256", 461 | "type": "uint256" 462 | }, 463 | "id": 302, 464 | "name": "ElementaryTypeName", 465 | "src": "309:7:4" 466 | } 467 | ], 468 | "id": 303, 469 | "name": "VariableDeclaration", 470 | "src": "309:13:4" 471 | } 472 | ], 473 | "id": 304, 474 | "name": "ParameterList", 475 | "src": "282:41:4" 476 | }, 477 | { 478 | "children": [ 479 | { 480 | "attributes": { 481 | "constant": false, 482 | "name": "", 483 | "scope": 308, 484 | "stateVariable": false, 485 | "storageLocation": "default", 486 | "type": "bool", 487 | "value": null, 488 | "visibility": "internal" 489 | }, 490 | "children": [ 491 | { 492 | "attributes": { 493 | "name": "bool", 494 | "type": "bool" 495 | }, 496 | "id": 305, 497 | "name": "ElementaryTypeName", 498 | "src": "340:4:4" 499 | } 500 | ], 501 | "id": 306, 502 | "name": "VariableDeclaration", 503 | "src": "340:4:4" 504 | } 505 | ], 506 | "id": 307, 507 | "name": "ParameterList", 508 | "src": "339:6:4" 509 | } 510 | ], 511 | "id": 308, 512 | "name": "FunctionDefinition", 513 | "src": "261:85:4" 514 | }, 515 | { 516 | "attributes": { 517 | "body": null, 518 | "constant": false, 519 | "implemented": false, 520 | "isConstructor": false, 521 | "modifiers": [ 522 | null 523 | ], 524 | "name": "approve", 525 | "payable": false, 526 | "scope": 326, 527 | "stateMutability": "nonpayable", 528 | "superFunction": null, 529 | "visibility": "public" 530 | }, 531 | "children": [ 532 | { 533 | "children": [ 534 | { 535 | "attributes": { 536 | "constant": false, 537 | "name": "spender", 538 | "scope": 317, 539 | "stateVariable": false, 540 | "storageLocation": "default", 541 | "type": "address", 542 | "value": null, 543 | "visibility": "internal" 544 | }, 545 | "children": [ 546 | { 547 | "attributes": { 548 | "name": "address", 549 | "type": "address" 550 | }, 551 | "id": 309, 552 | "name": "ElementaryTypeName", 553 | "src": "366:7:4" 554 | } 555 | ], 556 | "id": 310, 557 | "name": "VariableDeclaration", 558 | "src": "366:15:4" 559 | }, 560 | { 561 | "attributes": { 562 | "constant": false, 563 | "name": "value", 564 | "scope": 317, 565 | "stateVariable": false, 566 | "storageLocation": "default", 567 | "type": "uint256", 568 | "value": null, 569 | "visibility": "internal" 570 | }, 571 | "children": [ 572 | { 573 | "attributes": { 574 | "name": "uint256", 575 | "type": "uint256" 576 | }, 577 | "id": 311, 578 | "name": "ElementaryTypeName", 579 | "src": "383:7:4" 580 | } 581 | ], 582 | "id": 312, 583 | "name": "VariableDeclaration", 584 | "src": "383:13:4" 585 | } 586 | ], 587 | "id": 313, 588 | "name": "ParameterList", 589 | "src": "365:32:4" 590 | }, 591 | { 592 | "children": [ 593 | { 594 | "attributes": { 595 | "constant": false, 596 | "name": "", 597 | "scope": 317, 598 | "stateVariable": false, 599 | "storageLocation": "default", 600 | "type": "bool", 601 | "value": null, 602 | "visibility": "internal" 603 | }, 604 | "children": [ 605 | { 606 | "attributes": { 607 | "name": "bool", 608 | "type": "bool" 609 | }, 610 | "id": 314, 611 | "name": "ElementaryTypeName", 612 | "src": "414:4:4" 613 | } 614 | ], 615 | "id": 315, 616 | "name": "VariableDeclaration", 617 | "src": "414:4:4" 618 | } 619 | ], 620 | "id": 316, 621 | "name": "ParameterList", 622 | "src": "413:6:4" 623 | } 624 | ], 625 | "id": 317, 626 | "name": "FunctionDefinition", 627 | "src": "349:71:4" 628 | }, 629 | { 630 | "attributes": { 631 | "anonymous": false, 632 | "name": "Approval" 633 | }, 634 | "children": [ 635 | { 636 | "children": [ 637 | { 638 | "attributes": { 639 | "constant": false, 640 | "indexed": true, 641 | "name": "owner", 642 | "scope": 325, 643 | "stateVariable": false, 644 | "storageLocation": "default", 645 | "type": "address", 646 | "value": null, 647 | "visibility": "internal" 648 | }, 649 | "children": [ 650 | { 651 | "attributes": { 652 | "name": "address", 653 | "type": "address" 654 | }, 655 | "id": 318, 656 | "name": "ElementaryTypeName", 657 | "src": "438:7:4" 658 | } 659 | ], 660 | "id": 319, 661 | "name": "VariableDeclaration", 662 | "src": "438:21:4" 663 | }, 664 | { 665 | "attributes": { 666 | "constant": false, 667 | "indexed": true, 668 | "name": "spender", 669 | "scope": 325, 670 | "stateVariable": false, 671 | "storageLocation": "default", 672 | "type": "address", 673 | "value": null, 674 | "visibility": "internal" 675 | }, 676 | "children": [ 677 | { 678 | "attributes": { 679 | "name": "address", 680 | "type": "address" 681 | }, 682 | "id": 320, 683 | "name": "ElementaryTypeName", 684 | "src": "461:7:4" 685 | } 686 | ], 687 | "id": 321, 688 | "name": "VariableDeclaration", 689 | "src": "461:23:4" 690 | }, 691 | { 692 | "attributes": { 693 | "constant": false, 694 | "indexed": false, 695 | "name": "value", 696 | "scope": 325, 697 | "stateVariable": false, 698 | "storageLocation": "default", 699 | "type": "uint256", 700 | "value": null, 701 | "visibility": "internal" 702 | }, 703 | "children": [ 704 | { 705 | "attributes": { 706 | "name": "uint256", 707 | "type": "uint256" 708 | }, 709 | "id": 322, 710 | "name": "ElementaryTypeName", 711 | "src": "486:7:4" 712 | } 713 | ], 714 | "id": 323, 715 | "name": "VariableDeclaration", 716 | "src": "486:13:4" 717 | } 718 | ], 719 | "id": 324, 720 | "name": "ParameterList", 721 | "src": "437:63:4" 722 | } 723 | ], 724 | "id": 325, 725 | "name": "EventDefinition", 726 | "src": "423:78:4" 727 | } 728 | ], 729 | "id": 326, 730 | "name": "ContractDefinition", 731 | "src": "144:359:4" 732 | } 733 | ], 734 | "id": 327, 735 | "name": "SourceUnit", 736 | "src": "0:504:4" 737 | }, 738 | "compiler": { 739 | "name": "solc", 740 | "version": "0.4.18+commit.9cf6e910.Emscripten.clang" 741 | }, 742 | "networks": {}, 743 | "schemaVersion": "1.0.1", 744 | "updatedAt": "2018-02-25T14:07:01.552Z" 745 | } -------------------------------------------------------------------------------- /build/contracts/ERC20Basic.json: -------------------------------------------------------------------------------- 1 | { 2 | "contractName": "ERC20Basic", 3 | "abi": [ 4 | { 5 | "constant": true, 6 | "inputs": [], 7 | "name": "totalSupply", 8 | "outputs": [ 9 | { 10 | "name": "", 11 | "type": "uint256" 12 | } 13 | ], 14 | "payable": false, 15 | "stateMutability": "view", 16 | "type": "function" 17 | }, 18 | { 19 | "constant": true, 20 | "inputs": [ 21 | { 22 | "name": "who", 23 | "type": "address" 24 | } 25 | ], 26 | "name": "balanceOf", 27 | "outputs": [ 28 | { 29 | "name": "", 30 | "type": "uint256" 31 | } 32 | ], 33 | "payable": false, 34 | "stateMutability": "view", 35 | "type": "function" 36 | }, 37 | { 38 | "constant": false, 39 | "inputs": [ 40 | { 41 | "name": "to", 42 | "type": "address" 43 | }, 44 | { 45 | "name": "value", 46 | "type": "uint256" 47 | } 48 | ], 49 | "name": "transfer", 50 | "outputs": [ 51 | { 52 | "name": "", 53 | "type": "bool" 54 | } 55 | ], 56 | "payable": false, 57 | "stateMutability": "nonpayable", 58 | "type": "function" 59 | }, 60 | { 61 | "anonymous": false, 62 | "inputs": [ 63 | { 64 | "indexed": true, 65 | "name": "from", 66 | "type": "address" 67 | }, 68 | { 69 | "indexed": true, 70 | "name": "to", 71 | "type": "address" 72 | }, 73 | { 74 | "indexed": false, 75 | "name": "value", 76 | "type": "uint256" 77 | } 78 | ], 79 | "name": "Transfer", 80 | "type": "event" 81 | } 82 | ], 83 | "bytecode": "0x", 84 | "deployedBytecode": "0x", 85 | "sourceMap": "", 86 | "deployedSourceMap": "", 87 | "source": "pragma solidity ^0.4.18;\n\n\n/**\n * @title ERC20Basic\n * @dev Simpler version of ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/179\n */\ncontract ERC20Basic {\n function totalSupply() public view returns (uint256);\n function balanceOf(address who) public view returns (uint256);\n function transfer(address to, uint256 value) public returns (bool);\n event Transfer(address indexed from, address indexed to, uint256 value);\n}\n", 88 | "sourcePath": "zeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol", 89 | "ast": { 90 | "attributes": { 91 | "absolutePath": "zeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol", 92 | "exportedSymbols": { 93 | "ERC20Basic": [ 94 | 358 95 | ] 96 | } 97 | }, 98 | "children": [ 99 | { 100 | "attributes": { 101 | "literals": [ 102 | "solidity", 103 | "^", 104 | "0.4", 105 | ".18" 106 | ] 107 | }, 108 | "id": 328, 109 | "name": "PragmaDirective", 110 | "src": "0:24:5" 111 | }, 112 | { 113 | "attributes": { 114 | "baseContracts": [ 115 | null 116 | ], 117 | "contractDependencies": [ 118 | null 119 | ], 120 | "contractKind": "contract", 121 | "documentation": "@title ERC20Basic\n@dev Simpler version of ERC20 interface\n@dev see https://github.com/ethereum/EIPs/issues/179", 122 | "fullyImplemented": false, 123 | "linearizedBaseContracts": [ 124 | 358 125 | ], 126 | "name": "ERC20Basic", 127 | "scope": 359 128 | }, 129 | "children": [ 130 | { 131 | "attributes": { 132 | "body": null, 133 | "constant": true, 134 | "implemented": false, 135 | "isConstructor": false, 136 | "modifiers": [ 137 | null 138 | ], 139 | "name": "totalSupply", 140 | "payable": false, 141 | "scope": 358, 142 | "stateMutability": "view", 143 | "superFunction": null, 144 | "visibility": "public" 145 | }, 146 | "children": [ 147 | { 148 | "attributes": { 149 | "parameters": [ 150 | null 151 | ] 152 | }, 153 | "children": [], 154 | "id": 329, 155 | "name": "ParameterList", 156 | "src": "199:2:5" 157 | }, 158 | { 159 | "children": [ 160 | { 161 | "attributes": { 162 | "constant": false, 163 | "name": "", 164 | "scope": 333, 165 | "stateVariable": false, 166 | "storageLocation": "default", 167 | "type": "uint256", 168 | "value": null, 169 | "visibility": "internal" 170 | }, 171 | "children": [ 172 | { 173 | "attributes": { 174 | "name": "uint256", 175 | "type": "uint256" 176 | }, 177 | "id": 330, 178 | "name": "ElementaryTypeName", 179 | "src": "223:7:5" 180 | } 181 | ], 182 | "id": 331, 183 | "name": "VariableDeclaration", 184 | "src": "223:7:5" 185 | } 186 | ], 187 | "id": 332, 188 | "name": "ParameterList", 189 | "src": "222:9:5" 190 | } 191 | ], 192 | "id": 333, 193 | "name": "FunctionDefinition", 194 | "src": "179:53:5" 195 | }, 196 | { 197 | "attributes": { 198 | "body": null, 199 | "constant": true, 200 | "implemented": false, 201 | "isConstructor": false, 202 | "modifiers": [ 203 | null 204 | ], 205 | "name": "balanceOf", 206 | "payable": false, 207 | "scope": 358, 208 | 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upgrade(address new_address) public restricted {\n Migrations upgraded = Migrations(new_address);\n upgraded.setCompleted(last_completed_migration);\n }\n}\n", 72 | "sourcePath": "/Users/satansdeersatansdeer/Workspace/ethereum-token-tutorial/contracts/Migrations.sol", 73 | "ast": { 74 | "attributes": { 75 | "absolutePath": "/Users/satansdeersatansdeer/Workspace/ethereum-token-tutorial/contracts/Migrations.sol", 76 | "exportedSymbols": { 77 | "Migrations": [ 78 | 56 79 | ] 80 | } 81 | }, 82 | "children": [ 83 | { 84 | "attributes": { 85 | "literals": [ 86 | "solidity", 87 | "^", 88 | "0.4", 89 | ".17" 90 | ] 91 | }, 92 | "id": 1, 93 | "name": "PragmaDirective", 94 | "src": "0:24:0" 95 | }, 96 | { 97 | "attributes": { 98 | "baseContracts": [ 99 | null 100 | ], 101 | "contractDependencies": [ 102 | null 103 | ], 104 | "contractKind": "contract", 105 | "documentation": null, 106 | "fullyImplemented": true, 107 | "linearizedBaseContracts": [ 108 | 56 109 | ], 110 | "name": "Migrations", 111 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290 | "source": "pragma solidity ^0.4.17;\n\nimport 'zeppelin-solidity/contracts/token/ERC20/StandardToken.sol';\n\ncontract TutorialToken is StandardToken {\n string public name = 'Tutorial Token';\n string public symbol = 'TUT';\n uint8 public decimals = 2;\n uint public INITIAL_SUPPLY = 12000;\n\n function TutorialToken() public {\n totalSupply_ = INITIAL_SUPPLY;\n balances[msg.sender] = INITIAL_SUPPLY;\n }\n}\n", 291 | "sourcePath": "/Users/satansdeersatansdeer/Workspace/ethereum-token-tutorial/contracts/TutorialCoin.sol", 292 | "ast": { 293 | "attributes": { 294 | "absolutePath": "/Users/satansdeersatansdeer/Workspace/ethereum-token-tutorial/contracts/TutorialCoin.sol", 295 | "exportedSymbols": { 296 | "TutorialToken": [ 297 | 89 298 | ] 299 | } 300 | }, 301 | "children": [ 302 | { 303 | "attributes": { 304 | "literals": [ 305 | "solidity", 306 | "^", 307 | "0.4", 308 | ".17" 309 | ] 310 | }, 311 | "id": 58, 312 | "name": "PragmaDirective", 313 | "src": "0:24:1" 314 | }, 315 | { 316 | "attributes": { 317 | "SourceUnit": 605, 318 | "absolutePath": "zeppelin-solidity/contracts/token/ERC20/StandardToken.sol", 319 | "file": "zeppelin-solidity/contracts/token/ERC20/StandardToken.sol", 320 | "scope": 90, 321 | "symbolAliases": [ 322 | null 323 | ], 324 | "unitAlias": "" 325 | }, 326 | "id": 59, 327 | "name": "ImportDirective", 328 | "src": "26:67:1" 329 | }, 330 | { 331 | "attributes": { 332 | "contractDependencies": [ 333 | 283, 334 | 326, 335 | 358, 336 | 604 337 | ], 338 | "contractKind": "contract", 339 | "documentation": null, 340 | "fullyImplemented": true, 341 | "linearizedBaseContracts": [ 342 | 89, 343 | 604, 344 | 283, 345 | 326, 346 | 358 347 | ], 348 | "name": "TutorialToken", 349 | "scope": 90 350 | }, 351 | "children": [ 352 | { 353 | "attributes": { 354 | "arguments": [ 355 | null 356 | ] 357 | }, 358 | "children": [ 359 | { 360 | "attributes": { 361 | "contractScope": null, 362 | "name": "StandardToken", 363 | "referencedDeclaration": 604, 364 | "type": "contract StandardToken" 365 | }, 366 | "id": 60, 367 | "name": "UserDefinedTypeName", 368 | "src": "121:13:1" 369 | } 370 | ], 371 | "id": 61, 372 | "name": "InheritanceSpecifier", 373 | "src": "121:13:1" 374 | }, 375 | { 376 | "attributes": { 377 | "constant": false, 378 | "name": "name", 379 | "scope": 89, 380 | "stateVariable": true, 381 | "storageLocation": "default", 382 | "type": "string storage ref", 383 | "visibility": "public" 384 | }, 385 | "children": [ 386 | { 387 | "attributes": { 388 | "name": "string", 389 | "type": "string storage pointer" 390 | }, 391 | "id": 62, 392 | "name": "ElementaryTypeName", 393 | "src": "139:6:1" 394 | }, 395 | { 396 | "attributes": { 397 | "argumentTypes": null, 398 | "hexvalue": "5475746f7269616c20546f6b656e", 399 | "isConstant": false, 400 | "isLValue": false, 401 | "isPure": true, 402 | "lValueRequested": false, 403 | "subdenomination": null, 404 | "token": "string", 405 | "type": "literal_string \"Tutorial Token\"", 406 | "value": "Tutorial Token" 407 | }, 408 | "id": 63, 409 | "name": "Literal", 410 | "src": "160:16:1" 411 | } 412 | ], 413 | "id": 64, 414 | "name": "VariableDeclaration", 415 | "src": "139:37:1" 416 | }, 417 | { 418 | "attributes": { 419 | "constant": false, 420 | "name": "symbol", 421 | "scope": 89, 422 | "stateVariable": true, 423 | "storageLocation": "default", 424 | "type": "string storage ref", 425 | "visibility": "public" 426 | }, 427 | "children": [ 428 | { 429 | "attributes": { 430 | "name": "string", 431 | "type": "string storage pointer" 432 | }, 433 | "id": 65, 434 | "name": "ElementaryTypeName", 435 | "src": "180:6:1" 436 | }, 437 | { 438 | "attributes": { 439 | "argumentTypes": null, 440 | "hexvalue": "545554", 441 | "isConstant": false, 442 | "isLValue": false, 443 | "isPure": true, 444 | "lValueRequested": false, 445 | "subdenomination": null, 446 | "token": "string", 447 | "type": "literal_string \"TUT\"", 448 | "value": "TUT" 449 | }, 450 | "id": 66, 451 | "name": "Literal", 452 | "src": "203:5:1" 453 | } 454 | ], 455 | "id": 67, 456 | "name": "VariableDeclaration", 457 | "src": "180:28:1" 458 | }, 459 | { 460 | "attributes": { 461 | "constant": false, 462 | "name": "decimals", 463 | "scope": 89, 464 | "stateVariable": true, 465 | "storageLocation": "default", 466 | "type": "uint8", 467 | "visibility": "public" 468 | }, 469 | "children": [ 470 | { 471 | "attributes": { 472 | "name": "uint8", 473 | "type": "uint8" 474 | }, 475 | "id": 68, 476 | "name": "ElementaryTypeName", 477 | "src": "212:5:1" 478 | }, 479 | { 480 | "attributes": { 481 | "argumentTypes": null, 482 | "hexvalue": "32", 483 | "isConstant": false, 484 | "isLValue": false, 485 | "isPure": true, 486 | "lValueRequested": false, 487 | "subdenomination": null, 488 | "token": "number", 489 | "type": "int_const 2", 490 | "value": "2" 491 | }, 492 | "id": 69, 493 | "name": "Literal", 494 | "src": "236:1:1" 495 | } 496 | ], 497 | "id": 70, 498 | "name": "VariableDeclaration", 499 | "src": "212:25:1" 500 | }, 501 | { 502 | "attributes": { 503 | "constant": false, 504 | "name": "INITIAL_SUPPLY", 505 | "scope": 89, 506 | "stateVariable": true, 507 | "storageLocation": "default", 508 | "type": "uint256", 509 | "visibility": "public" 510 | }, 511 | "children": [ 512 | { 513 | "attributes": { 514 | "name": "uint", 515 | "type": "uint256" 516 | }, 517 | "id": 71, 518 | "name": "ElementaryTypeName", 519 | "src": "241:4:1" 520 | }, 521 | { 522 | "attributes": { 523 | "argumentTypes": null, 524 | "hexvalue": "3132303030", 525 | "isConstant": false, 526 | "isLValue": false, 527 | "isPure": true, 528 | "lValueRequested": false, 529 | "subdenomination": null, 530 | "token": "number", 531 | "type": "int_const 12000", 532 | "value": "12000" 533 | }, 534 | "id": 72, 535 | "name": "Literal", 536 | "src": "270:5:1" 537 | } 538 | ], 539 | "id": 73, 540 | "name": "VariableDeclaration", 541 | "src": "241:34:1" 542 | }, 543 | { 544 | "attributes": { 545 | "constant": false, 546 | "implemented": true, 547 | "isConstructor": true, 548 | "modifiers": [ 549 | null 550 | ], 551 | "name": "TutorialToken", 552 | "payable": false, 553 | "scope": 89, 554 | "stateMutability": "nonpayable", 555 | "superFunction": null, 556 | "visibility": "public" 557 | }, 558 | "children": [ 559 | { 560 | "attributes": { 561 | "parameters": [ 562 | null 563 | ] 564 | }, 565 | "children": [], 566 | "id": 74, 567 | "name": "ParameterList", 568 | "src": "302:2:1" 569 | }, 570 | { 571 | "attributes": { 572 | "parameters": [ 573 | null 574 | ] 575 | }, 576 | "children": [], 577 | "id": 75, 578 | "name": "ParameterList", 579 | "src": "312:0:1" 580 | }, 581 | { 582 | "children": [ 583 | { 584 | "children": [ 585 | { 586 | "attributes": { 587 | "argumentTypes": null, 588 | "isConstant": false, 589 | "isLValue": false, 590 | "isPure": false, 591 | "lValueRequested": false, 592 | "operator": "=", 593 | "type": "uint256" 594 | }, 595 | "children": [ 596 | { 597 | "attributes": { 598 | "argumentTypes": null, 599 | "overloadedDeclarations": [ 600 | null 601 | ], 602 | "referencedDeclaration": 202, 603 | "type": "uint256", 604 | "value": "totalSupply_" 605 | }, 606 | "id": 76, 607 | "name": "Identifier", 608 | "src": "318:12:1" 609 | }, 610 | { 611 | "attributes": { 612 | "argumentTypes": null, 613 | "overloadedDeclarations": [ 614 | null 615 | ], 616 | "referencedDeclaration": 73, 617 | "type": "uint256", 618 | "value": "INITIAL_SUPPLY" 619 | }, 620 | "id": 77, 621 | "name": "Identifier", 622 | "src": "333:14:1" 623 | } 624 | ], 625 | "id": 78, 626 | "name": "Assignment", 627 | "src": "318:29:1" 628 | } 629 | ], 630 | "id": 79, 631 | "name": "ExpressionStatement", 632 | "src": "318:29:1" 633 | }, 634 | { 635 | "children": [ 636 | { 637 | "attributes": { 638 | "argumentTypes": null, 639 | "isConstant": false, 640 | "isLValue": false, 641 | "isPure": false, 642 | "lValueRequested": false, 643 | "operator": "=", 644 | "type": "uint256" 645 | }, 646 | "children": [ 647 | { 648 | "attributes": { 649 | "argumentTypes": null, 650 | "isConstant": false, 651 | "isLValue": true, 652 | "isPure": false, 653 | "lValueRequested": true, 654 | "type": "uint256" 655 | }, 656 | "children": [ 657 | { 658 | "attributes": { 659 | "argumentTypes": null, 660 | "overloadedDeclarations": [ 661 | null 662 | ], 663 | "referencedDeclaration": 200, 664 | "type": "mapping(address => uint256)", 665 | "value": "balances" 666 | }, 667 | "id": 80, 668 | "name": "Identifier", 669 | "src": "353:8:1" 670 | }, 671 | { 672 | "attributes": { 673 | "argumentTypes": null, 674 | "isConstant": false, 675 | "isLValue": false, 676 | "isPure": false, 677 | "lValueRequested": false, 678 | "member_name": "sender", 679 | "referencedDeclaration": null, 680 | "type": "address" 681 | }, 682 | "children": [ 683 | { 684 | "attributes": { 685 | "argumentTypes": null, 686 | "overloadedDeclarations": [ 687 | null 688 | ], 689 | "referencedDeclaration": 616, 690 | "type": "msg", 691 | "value": "msg" 692 | }, 693 | "id": 81, 694 | "name": "Identifier", 695 | "src": "362:3:1" 696 | } 697 | ], 698 | "id": 82, 699 | "name": "MemberAccess", 700 | "src": "362:10:1" 701 | } 702 | ], 703 | "id": 83, 704 | "name": "IndexAccess", 705 | "src": "353:20:1" 706 | }, 707 | { 708 | "attributes": { 709 | "argumentTypes": null, 710 | "overloadedDeclarations": [ 711 | null 712 | ], 713 | "referencedDeclaration": 73, 714 | "type": "uint256", 715 | "value": "INITIAL_SUPPLY" 716 | }, 717 | "id": 84, 718 | "name": "Identifier", 719 | "src": "376:14:1" 720 | } 721 | ], 722 | "id": 85, 723 | "name": "Assignment", 724 | "src": "353:37:1" 725 | } 726 | ], 727 | "id": 86, 728 | "name": "ExpressionStatement", 729 | "src": "353:37:1" 730 | } 731 | ], 732 | "id": 87, 733 | "name": "Block", 734 | "src": "312:83:1" 735 | } 736 | ], 737 | "id": 88, 738 | "name": "FunctionDefinition", 739 | "src": "280:115:1" 740 | } 741 | ], 742 | "id": 89, 743 | "name": "ContractDefinition", 744 | "src": "95:302:1" 745 | } 746 | ], 747 | "id": 90, 748 | "name": "SourceUnit", 749 | "src": "0:398:1" 750 | }, 751 | "compiler": { 752 | "name": "solc", 753 | "version": "0.4.18+commit.9cf6e910.Emscripten.clang" 754 | }, 755 | "networks": { 756 | "5777": { 757 | "events": {}, 758 | "links": {}, 759 | "address": "0x345ca3e014aaf5dca488057592ee47305d9b3e10" 760 | }, 761 | "1519586516424": { 762 | "events": {}, 763 | "links": {}, 764 | "address": "0xe9679cc1936203bfcbb562af9b11e532c76a79fc" 765 | }, 766 | "1519669908684": { 767 | "events": {}, 768 | "links": {}, 769 | "address": "0x24c23e20d13dc9932b350c2e4c8f6259ae9fbfb1" 770 | } 771 | }, 772 | "schemaVersion": "1.0.1", 773 | "updatedAt": "2018-02-26T18:34:22.065Z" 774 | } -------------------------------------------------------------------------------- /contracts/Migrations.sol: -------------------------------------------------------------------------------- 1 | pragma solidity ^0.4.17; 2 | 3 | contract Migrations { 4 | address public owner; 5 | uint public last_completed_migration; 6 | 7 | modifier restricted() { 8 | if (msg.sender == owner) _; 9 | } 10 | 11 | function Migrations() public { 12 | owner = msg.sender; 13 | } 14 | 15 | function setCompleted(uint completed) public restricted { 16 | last_completed_migration = completed; 17 | } 18 | 19 | function upgrade(address new_address) public restricted { 20 | Migrations upgraded = Migrations(new_address); 21 | upgraded.setCompleted(last_completed_migration); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /contracts/TutorialCoin.sol: -------------------------------------------------------------------------------- 1 | pragma solidity ^0.4.17; 2 | 3 | import 'zeppelin-solidity/contracts/token/ERC20/StandardToken.sol'; 4 | 5 | contract TutorialToken is StandardToken { 6 | string public name = 'Tutorial Token'; 7 | string public symbol = 'TUT'; 8 | uint8 public decimals = 2; 9 | uint public INITIAL_SUPPLY = 12000; 10 | 11 | function TutorialToken() public { 12 | totalSupply_ = INITIAL_SUPPLY; 13 | balances[msg.sender] = INITIAL_SUPPLY; 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /front/.gitignore: -------------------------------------------------------------------------------- 1 | # See https://help.github.com/ignore-files/ for more about ignoring files. 2 | 3 | # dependencies 4 | /node_modules 5 | 6 | # testing 7 | /coverage 8 | 9 | # production 10 | /build 11 | 12 | # misc 13 | .DS_Store 14 | .env.local 15 | .env.development.local 16 | .env.test.local 17 | .env.production.local 18 | 19 | npm-debug.log* 20 | yarn-debug.log* 21 | yarn-error.log* 22 | -------------------------------------------------------------------------------- /front/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "front", 3 | "version": "0.1.0", 4 | "private": true, 5 | "dependencies": { 6 | "drizzle": "^1.0.1", 7 | "drizzle-react": "^1.0.1", 8 | "react": "^16.2.0", 9 | "react-dom": "^16.2.0", 10 | "react-scripts": "1.1.1", 11 | "redux": "^3.7.2" 12 | }, 13 | "scripts": { 14 | "start": "react-scripts start", 15 | "build": "react-scripts build", 16 | "test": "react-scripts test --env=jsdom", 17 | "eject": "react-scripts eject" 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /front/public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/satansdeer/ethereum-token-tutorial/bcccb3c30f22e1beced99e37f31e27ea9863ca86/front/public/favicon.ico -------------------------------------------------------------------------------- /front/public/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 11 | 12 | 13 | 22 | React App 23 | 24 | 25 | 28 |
29 | 39 | 40 | 41 | -------------------------------------------------------------------------------- /front/public/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "short_name": "React App", 3 | "name": "Create React App Sample", 4 | "icons": [ 5 | { 6 | "src": "favicon.ico", 7 | "sizes": "64x64 32x32 24x24 16x16", 8 | "type": "image/x-icon" 9 | } 10 | ], 11 | "start_url": "./index.html", 12 | "display": "standalone", 13 | "theme_color": "#000000", 14 | "background_color": "#ffffff" 15 | } 16 | -------------------------------------------------------------------------------- /front/src/App.css: -------------------------------------------------------------------------------- 1 | .App { 2 | text-align: center; 3 | } 4 | 5 | .App-logo { 6 | animation: App-logo-spin infinite 20s linear; 7 | height: 80px; 8 | } 9 | 10 | .App-header { 11 | background-color: #222; 12 | height: 150px; 13 | padding: 20px; 14 | color: white; 15 | } 16 | 17 | .App-title { 18 | font-size: 1.5em; 19 | } 20 | 21 | .App-intro { 22 | font-size: large; 23 | } 24 | 25 | @keyframes App-logo-spin { 26 | from { transform: rotate(0deg); } 27 | to { transform: rotate(360deg); } 28 | } 29 | -------------------------------------------------------------------------------- /front/src/App.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import logo from "./logo.svg"; 3 | import "./App.css"; 4 | 5 | import { drizzleConnect } from "drizzle-react"; 6 | import { ContractData, ContractForm } from "drizzle-react-components"; 7 | 8 | class App extends Component { 9 | render() { 10 | const { drizzleStatus, accounts } = this.props; 11 | console.log(accounts); 12 | 13 | if (drizzleStatus.initialized) { 14 | return ( 15 |
16 |
17 |

Tutorial Token

18 |

19 | Total Supply:{" "} 20 | {" "} 25 | 30 |

31 |

32 | My Balance:{" "} 33 | 38 |

39 |

Send Tokens

40 |
41 |
42 | 47 |
48 |
49 | ); 50 | } 51 | 52 | return
Loading dapp...
; 53 | } 54 | } 55 | 56 | const mapStateToProps = state => { 57 | return { 58 | accounts: state.accounts, 59 | drizzleStatus: state.drizzleStatus, 60 | TutorialToken: state.contracts.TutorialToken 61 | }; 62 | }; 63 | 64 | const AppContainer = drizzleConnect(App, mapStateToProps); 65 | export default AppContainer; 66 | -------------------------------------------------------------------------------- /front/src/App.test.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | import ReactDOM from 'react-dom'; 3 | import App from './App'; 4 | 5 | it('renders without crashing', () => { 6 | const div = document.createElement('div'); 7 | ReactDOM.render(, div); 8 | ReactDOM.unmountComponentAtNode(div); 9 | }); 10 | -------------------------------------------------------------------------------- /front/src/contracts: -------------------------------------------------------------------------------- 1 | ../../build/contracts -------------------------------------------------------------------------------- /front/src/index.css: -------------------------------------------------------------------------------- 1 | body { 2 | margin: 0; 3 | padding: 0; 4 | font-family: sans-serif; 5 | } 6 | -------------------------------------------------------------------------------- /front/src/index.js: -------------------------------------------------------------------------------- 1 | import React from "react"; 2 | import ReactDOM from "react-dom"; 3 | import "./index.css"; 4 | import App from "./App"; 5 | import registerServiceWorker from "./registerServiceWorker"; 6 | import { DrizzleProvider } from "drizzle-react"; 7 | 8 | // Import contract 9 | import TutorialToken from "./contracts/TutorialToken.json"; 10 | 11 | console.log(TutorialToken); 12 | 13 | const options = { 14 | web3: { 15 | block: false, 16 | fallback: { 17 | type: "ws", 18 | url: "ws://127.0.0.1:7545" 19 | } 20 | }, 21 | contracts: [TutorialToken], 22 | events: {} 23 | }; 24 | 25 | ReactDOM.render( 26 | 27 | 28 | , 29 | document.getElementById("root") 30 | ); 31 | registerServiceWorker(); 32 | -------------------------------------------------------------------------------- /front/src/logo.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /front/src/registerServiceWorker.js: -------------------------------------------------------------------------------- 1 | // In production, we register a service worker to serve assets from local cache. 2 | 3 | // This lets the app load faster on subsequent visits in production, and gives 4 | // it offline capabilities. However, it also means that developers (and users) 5 | // will only see deployed updates on the "N+1" visit to a page, since previously 6 | // cached resources are updated in the background. 7 | 8 | // To learn more about the benefits of this model, read https://goo.gl/KwvDNy. 9 | // This link also includes instructions on opting out of this behavior. 10 | 11 | const isLocalhost = Boolean( 12 | window.location.hostname === 'localhost' || 13 | // [::1] is the IPv6 localhost address. 14 | window.location.hostname === '[::1]' || 15 | // 127.0.0.1/8 is considered localhost for IPv4. 16 | window.location.hostname.match( 17 | /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/ 18 | ) 19 | ); 20 | 21 | export default function register() { 22 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) { 23 | // The URL constructor is available in all browsers that support SW. 24 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location); 25 | if (publicUrl.origin !== window.location.origin) { 26 | // Our service worker won't work if PUBLIC_URL is on a different origin 27 | // from what our page is served on. This might happen if a CDN is used to 28 | // serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374 29 | return; 30 | } 31 | 32 | window.addEventListener('load', () => { 33 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`; 34 | 35 | if (isLocalhost) { 36 | // This is running on localhost. Lets check if a service worker still exists or not. 37 | checkValidServiceWorker(swUrl); 38 | 39 | // Add some additional logging to localhost, pointing developers to the 40 | // service worker/PWA documentation. 41 | navigator.serviceWorker.ready.then(() => { 42 | console.log( 43 | 'This web app is being served cache-first by a service ' + 44 | 'worker. To learn more, visit https://goo.gl/SC7cgQ' 45 | ); 46 | }); 47 | } else { 48 | // Is not local host. Just register service worker 49 | registerValidSW(swUrl); 50 | } 51 | }); 52 | } 53 | } 54 | 55 | function registerValidSW(swUrl) { 56 | navigator.serviceWorker 57 | .register(swUrl) 58 | .then(registration => { 59 | registration.onupdatefound = () => { 60 | const installingWorker = registration.installing; 61 | installingWorker.onstatechange = () => { 62 | if (installingWorker.state === 'installed') { 63 | if (navigator.serviceWorker.controller) { 64 | // At this point, the old content will have been purged and 65 | // the fresh content will have been added to the cache. 66 | // It's the perfect time to display a "New content is 67 | // available; please refresh." message in your web app. 68 | console.log('New content is available; please refresh.'); 69 | } else { 70 | // At this point, everything has been precached. 71 | // It's the perfect time to display a 72 | // "Content is cached for offline use." message. 73 | console.log('Content is cached for offline use.'); 74 | } 75 | } 76 | }; 77 | }; 78 | }) 79 | .catch(error => { 80 | console.error('Error during service worker registration:', error); 81 | }); 82 | } 83 | 84 | function checkValidServiceWorker(swUrl) { 85 | // Check if the service worker can be found. If it can't reload the page. 86 | fetch(swUrl) 87 | .then(response => { 88 | // Ensure service worker exists, and that we really are getting a JS file. 89 | if ( 90 | response.status === 404 || 91 | response.headers.get('content-type').indexOf('javascript') === -1 92 | ) { 93 | // No service worker found. Probably a different app. Reload the page. 94 | navigator.serviceWorker.ready.then(registration => { 95 | registration.unregister().then(() => { 96 | window.location.reload(); 97 | }); 98 | }); 99 | } else { 100 | // Service worker found. Proceed as normal. 101 | registerValidSW(swUrl); 102 | } 103 | }) 104 | .catch(() => { 105 | console.log( 106 | 'No internet connection found. App is running in offline mode.' 107 | ); 108 | }); 109 | } 110 | 111 | export function unregister() { 112 | if ('serviceWorker' in navigator) { 113 | navigator.serviceWorker.ready.then(registration => { 114 | registration.unregister(); 115 | }); 116 | } 117 | } 118 | -------------------------------------------------------------------------------- /migrations/1_initial_migration.js: -------------------------------------------------------------------------------- 1 | var Migrations = artifacts.require("./Migrations.sol"); 2 | 3 | module.exports = function(deployer) { 4 | deployer.deploy(Migrations); 5 | }; 6 | -------------------------------------------------------------------------------- /migrations/2_deploy_contract.js: -------------------------------------------------------------------------------- 1 | var TutorialToken = artifacts.require("TutorialToken"); 2 | 3 | module.exports = function(deployer) { 4 | deployer.deploy(TutorialToken); 5 | }; 6 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "ethereum-token-tutorial", 3 | "version": "1.0.0", 4 | "main": "index.js", 5 | "license": "MIT", 6 | "dependencies": { 7 | "drizzle-react-components": "^1.0.1", 8 | "zeppelin-solidity": "^1.7.0" 9 | } 10 | } 11 | -------------------------------------------------------------------------------- /truffle-config.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | // See 3 | // to customize your Truffle configuration! 4 | }; 5 | -------------------------------------------------------------------------------- /truffle.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | // See 3 | // for more about customizing your Truffle configuration! 4 | networks: { 5 | development: { 6 | host: "127.0.0.1", 7 | port: 7545, 8 | network_id: "*" // Match any network id 9 | } 10 | } 11 | }; 12 | -------------------------------------------------------------------------------- /yarn.lock: -------------------------------------------------------------------------------- 1 | # THIS IS AN AUTOGENERATED FILE. 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