dotbit-sdk-allin/lib/signers/BitSigner.js

A complete .bit SDK and utilities in TypeScript

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BitSigner = exports.mmJsonHashAndChainIdHex = void 0;
const eth_sig_util_1 = require("@metamask/eth-sig-util");
const const_1 = require("../const");
const DotbitError_1 = require("../errors/DotbitError");
const common_1 = require("../tools/common");
function isMMJson(txs) {
    return 'mm_json' in txs;
}
function mmJsonHashAndChainIdHex(typedData, chainId) {
    const mmHash = eth_sig_util_1.TypedDataUtils.eip712Hash(typedData, eth_sig_util_1.SignTypedDataVersion.V4).toString('hex');
    const chainIdHex = chainId.toString(16).padStart(16, '0');
    return mmHash + chainIdHex;
}
exports.mmJsonHashAndChainIdHex = mmJsonHashAndChainIdHex;
class BitSigner {
    signPersonal(data) {
        return this.signer.signMessage(data);
    }
    getAddress() {
        return this.signer.getAddress();
    }
    getChainId() {
        return this.signer.getChainId();
    }
    getCoinType() {
        return __awaiter(this, void 0, void 0, function* () {
            const chainId = yield this.getChainId();
            const coinType = const_1.EvmChainId2CoinType[chainId];
            if (!coinType) {
                throw new DotbitError_1.DotbitError(`Unsupported EVM chainId: ${chainId}`, DotbitError_1.BitErrorCode.UnsupportedEVMChainId);
            }
            return coinType;
        });
    }
    signData(data, isEIP712) {
        return __awaiter(this, void 0, void 0, function* () {
            if (isEIP712) {
                return yield this.signTypedData(data);
            }
            else {
                return yield this.signPersonal(data);
            }
        });
    }
    signTxList(txs) {
        return __awaiter(this, void 0, void 0, function* () {
            if (isMMJson(txs)) {
                for (const signItem of txs.sign_list) {
                    if (signItem.sign_msg) {
                        if (signItem.sign_type === const_1.AlgorithmId.eip712) {
                            const mmJson = JSON.parse(JSON.stringify(txs.mm_json));
                            mmJson.message.digest = signItem.sign_msg;
                            const signDataRes = yield this.signTypedData(mmJson);
                            signItem.sign_msg = signDataRes + mmJsonHashAndChainIdHex(mmJson, mmJson.domain.chainId);
                        }
                        else {
                            signItem.sign_msg = yield this.signData(Buffer.from((0, common_1.remove0x)(signItem.sign_msg), 'hex'));
                        }
                    }
                }
            }
            else {
                for (const list of txs.list) {
                    for (const signItem of list.sign_list) {
                        if (signItem.sign_msg) {
                            signItem.sign_msg = yield this.signData(Buffer.from((0, common_1.remove0x)(signItem.sign_msg), 'hex'));
                        }
                    }
                }
            }
            return txs;
        });
    }
}
exports.BitSigner = BitSigner;
//# sourceMappingURL=BitSigner.js.map