ethers.js/packages/experimental/lib/eip1193-bridge.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var events_1 = __importDefault(require("events"));
var ethers_1 = require("ethers");
var _version_1 = require("./_version");
var logger = new ethers_1.ethers.utils.Logger(_version_1.version);
/*
function getBlockTag(tag) {
    if (tag == null) { return "latest"; }
    if (tag === "earliest" || tag === "latest" || tag === "pending") {
        return tag;
    }
    return ethers.utils.hexValue(tag)
}
*/
var _Eip1193Bridge = /** @class */ (function (_super) {
    __extends(_Eip1193Bridge, _super);
    function _Eip1193Bridge(signer, provider) {
        var _this = _super.call(this) || this;
        ethers_1.ethers.utils.defineReadOnly(_this, "signer", signer);
        ethers_1.ethers.utils.defineReadOnly(_this, "provider", provider || null);
        return _this;
    }
    _Eip1193Bridge.prototype.send = function (method, params) {
        return __awaiter(this, void 0, void 0, function () {
            function throwUnsupported(message) {
                return logger.throwError("eth_sign requires a signer", ethers_1.ethers.utils.Logger.errors.UNSUPPORTED_OPERATION, {
                    method: method,
                    params: params
                });
            }
            var coerce, _a, result, result, address, result, result, result, result, result, req, req, result, address, req, tx, result;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0:
                        coerce = function (value) { return value; };
                        _a = method;
                        switch (_a) {
                            case "eth_gasPrice": return [3 /*break*/, 1];
                            case "eth_accounts": return [3 /*break*/, 3];
                            case "eth_blockNumber": return [3 /*break*/, 6];
                            case "eth_chainId": return [3 /*break*/, 8];
                            case "eth_getBalance": return [3 /*break*/, 10];
                            case "eth_getStorageAt": return [3 /*break*/, 12];
                            case "eth_getTransactionCount": return [3 /*break*/, 13];
                            case "eth_getBlockTransactionCountByHash": return [3 /*break*/, 15];
                            case "eth_getBlockTransactionCountByNumber": return [3 /*break*/, 15];
                            case "eth_getCode": return [3 /*break*/, 17];
                            case "eth_sendRawTransaction": return [3 /*break*/, 19];
                            case "eth_call": return [3 /*break*/, 21];
                            case "estimateGas": return [3 /*break*/, 23];
                            case "eth_getBlockByHash": return [3 /*break*/, 25];
                            case "eth_getBlockByNumber": return [3 /*break*/, 25];
                            case "eth_getTransactionByHash": return [3 /*break*/, 29];
                            case "eth_getTransactionReceipt": return [3 /*break*/, 31];
                            case "eth_sign": return [3 /*break*/, 33];
                            case "eth_sendTransaction": return [3 /*break*/, 35];
                            case "eth_getUncleCountByBlockHash": return [3 /*break*/, 37];
                            case "eth_getUncleCountByBlockNumber": return [3 /*break*/, 37];
                            case "eth_getTransactionByBlockHashAndIndex": return [3 /*break*/, 38];
                            case "eth_getTransactionByBlockNumberAndIndex": return [3 /*break*/, 38];
                            case "eth_getUncleByBlockHashAndIndex": return [3 /*break*/, 38];
                            case "eth_getUncleByBlockNumberAndIndex": return [3 /*break*/, 38];
                            case "eth_newFilter": return [3 /*break*/, 38];
                            case "eth_newBlockFilter": return [3 /*break*/, 38];
                            case "eth_newPendingTransactionFilter": return [3 /*break*/, 38];
                            case "eth_uninstallFilter": return [3 /*break*/, 38];
                            case "eth_getFilterChanges": return [3 /*break*/, 38];
                            case "eth_getFilterLogs": return [3 /*break*/, 38];
                            case "eth_getLogs": return [3 /*break*/, 38];
                        }
                        return [3 /*break*/, 39];
                    case 1: return [4 /*yield*/, this.provider.getGasPrice()];
                    case 2:
                        result = _b.sent();
                        return [2 /*return*/, result.toHexString()];
                    case 3:
                        result = [];
                        if (!this.signer) return [3 /*break*/, 5];
                        return [4 /*yield*/, this.signer.getAddress()];
                    case 4:
                        address = _b.sent();
                        result.push(address);
                        _b.label = 5;
                    case 5: return [2 /*return*/, result];
                    case 6: return [4 /*yield*/, this.provider.getBlockNumber()];
                    case 7: return [2 /*return*/, _b.sent()];
                    case 8: return [4 /*yield*/, this.provider.getNetwork()];
                    case 9:
                        result = _b.sent();
                        return [2 /*return*/, result.chainId];
                    case 10: return [4 /*yield*/, this.provider.getBalance(params[0], params[1])];
                    case 11:
                        result = _b.sent();
                        return [2 /*return*/, result.toHexString()];
                    case 12:
                        {
                            return [2 /*return*/, this.provider.getStorageAt(params[0], params[1], params[2])];
                        }
                        _b.label = 13;
                    case 13: return [4 /*yield*/, this.provider.getTransactionCount(params[0], params[1])];
                    case 14:
                        result = _b.sent();
                        return [2 /*return*/, ethers_1.ethers.utils.hexValue(result)];
                    case 15: return [4 /*yield*/, this.provider.getBlock(params[0])];
                    case 16:
                        result = _b.sent();
                        return [2 /*return*/, ethers_1.ethers.utils.hexValue(result.transactions.length)];
                    case 17: return [4 /*yield*/, this.provider.getBlock(params[0])];
                    case 18:
                        result = _b.sent();
                        return [2 /*return*/, result];
                    case 19: return [4 /*yield*/, this.provider.sendTransaction(params[0])];
                    case 20: return [2 /*return*/, _b.sent()];
                    case 21:
                        req = ethers_1.ethers.providers.JsonRpcProvider.hexlifyTransaction(params[0]);
                        return [4 /*yield*/, this.provider.call(req, params[1])];
                    case 22: return [2 /*return*/, _b.sent()];
                    case 23:
                        if (params[1] && params[1] !== "latest") {
                            throwUnsupported("estimateGas does not support blockTag");
                        }
                        req = ethers_1.ethers.providers.JsonRpcProvider.hexlifyTransaction(params[0]);
                        return [4 /*yield*/, this.provider.estimateGas(req)];
                    case 24:
                        result = _b.sent();
                        return [2 /*return*/, result.toHexString()];
                    case 25:
                        if (!params[1]) return [3 /*break*/, 27];
                        return [4 /*yield*/, this.provider.getBlockWithTransactions(params[0])];
                    case 26: return [2 /*return*/, _b.sent()];
                    case 27: return [4 /*yield*/, this.provider.getBlock(params[0])];
                    case 28: return [2 /*return*/, _b.sent()];
                    case 29: return [4 /*yield*/, this.provider.getTransaction(params[0])];
                    case 30: return [2 /*return*/, _b.sent()];
                    case 31: return [4 /*yield*/, this.provider.getTransactionReceipt(params[0])];
                    case 32: return [2 /*return*/, _b.sent()];
                    case 33:
                        if (!this.signer) {
                            return [2 /*return*/, throwUnsupported("eth_sign requires an account")];
                        }
                        return [4 /*yield*/, this.signer.getAddress()];
                    case 34:
                        address = _b.sent();
                        if (address !== ethers_1.ethers.utils.getAddress(params[0])) {
                            logger.throwArgumentError("account mismatch or account not found", "params[0]", params[0]);
                        }
                        return [2 /*return*/, this.signer.signMessage(ethers_1.ethers.utils.arrayify(params[1]))];
                    case 35:
                        if (!this.signer) {
                            return [2 /*return*/, throwUnsupported("eth_sign requires an account")];
                        }
                        req = ethers_1.ethers.providers.JsonRpcProvider.hexlifyTransaction(params[0]);
                        return [4 /*yield*/, this.signer.sendTransaction(req)];
                    case 36:
                        tx = _b.sent();
                        return [2 /*return*/, tx.hash];
                    case 37:
                        {
                            coerce = ethers_1.ethers.utils.hexValue;
                            return [3 /*break*/, 39];
                        }
                        _b.label = 38;
                    case 38: return [3 /*break*/, 39];
                    case 39:
                        if (!(this.provider).send) return [3 /*break*/, 41];
                        return [4 /*yield*/, (this.provider).send(method, params)];
                    case 40:
                        result = _b.sent();
                        return [2 /*return*/, coerce(result)];
                    case 41: return [2 /*return*/, throwUnsupported("unsupported method: " + method)];
                }
            });
        });
    };
    return _Eip1193Bridge;
}(events_1.default));
exports._Eip1193Bridge = _Eip1193Bridge;