evm-blockchain-tools
Version:
This is a collection of resuseable tools to support development for EVM-powered blockchains
94 lines • 4.28 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.BlockchainService = void 0;
const ethers_1 = require("ethers");
const hash_1 = require("@ethersproject/hash");
const tron_tx_decoder_1 = __importDefault(require("tron-tx-decoder"));
const tronweb_1 = __importDefault(require("tronweb"));
const tronUtils = __importStar(require("../utils/tron-utils"));
const abis_1 = require("../common/abis");
const constants_1 = require("../common/constants");
class BlockchainService {
constructor(provider) {
this.provider = provider;
}
getBlock(blockNum) {
return this.provider.getBlock(blockNum);
}
parseERC20TxByNetwork(data, value, txId) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const erc20Abi = new ethers_1.ethers.utils.Interface(abis_1.abis.erc20);
if (((_a = this.provider) === null || _a === void 0 ? void 0 : _a.network) !== constants_1.APP_NETWORK.TRON) {
return erc20Abi.parseTransaction({
data,
value,
});
}
const tronDecoder = new tron_tx_decoder_1.default({
mainnet: process.env.NODE_ENV === "production",
});
const { methodName, inputTypes, decodedInput } = yield tronDecoder.decodeInputById(txId);
const to = decodedInput[0];
const amount = decodedInput[1];
return {
args: [tronweb_1.default.address.fromHex(to), amount.toString()],
signature: `${methodName}(${inputTypes.join(",")})`,
};
});
}
getFeeData() {
return this.provider.provider.getFeeData();
}
recoverMessageSigner(message, signature) {
const hashedMessage = (0, hash_1.hashMessage)(message);
const signerAddress = ethers_1.ethers.utils.recoverAddress(hashedMessage, signature);
return signerAddress;
}
getTransactionById(txID) {
return __awaiter(this, void 0, void 0, function* () {
const txData = yield this.provider.getTransactionByID(txID);
if (this.provider.network === constants_1.APP_NETWORK.TRON) {
return tronUtils.parseTronTxResult(txID);
}
return txData;
});
}
}
exports.BlockchainService = BlockchainService;
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