本文整理匯總了TypeScript中@0xproject/web3-wrapper.Web3Wrapper.doesContractExistAtAddressAsync方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript Web3Wrapper.doesContractExistAtAddressAsync方法的具體用法？TypeScript Web3Wrapper.doesContractExistAtAddressAsync怎麽用？TypeScript Web3Wrapper.doesContractExistAtAddressAsync使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類@0xproject/web3-wrapper.Web3Wrapper的用法示例。
在下文中一共展示了Web3Wrapper.doesContractExistAtAddressAsync方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: _getContractAbiAndAddressFromArtifactsAsync
protected async _getContractAbiAndAddressFromArtifactsAsync(
artifact: Artifact,
addressIfExists?: string,
): Promise<[ContractAbi, string]> {
let contractAddress: string;
if (_.isUndefined(addressIfExists)) {
if (_.isUndefined(artifact.networks[this._networkId])) {
throw new Error(ZeroExError.ContractNotDeployedOnNetwork);
}
contractAddress = artifact.networks[this._networkId].address.toLowerCase();
} else {
contractAddress = addressIfExists;
}
const doesContractExist = await this._web3Wrapper.doesContractExistAtAddressAsync(contractAddress);
if (!doesContractExist) {
throw new Error(CONTRACT_NAME_TO_NOT_FOUND_ERROR[artifact.contract_name]);
}
const abiAndAddress: [ContractAbi, string] = [artifact.abi, contractAddress];
return abiAndAddress;
}示例2: doesContractExistAtAddressAsync
public async doesContractExistAtAddressAsync(address: string) {
const doesContractExist = await this._web3Wrapper.doesContractExistAtAddressAsync(address);
return doesContractExist;
}