本文整理汇总了TypeScript中@0xproject/web3-wrapper.Web3Wrapper.doesContractExistAtAddressAsync方法的典型用法代码示例。如果您正苦于以下问题：TypeScript Web3Wrapper.doesContractExistAtAddressAsync方法的具体用法？TypeScript Web3Wrapper.doesContractExistAtAddressAsync怎么用？TypeScript Web3Wrapper.doesContractExistAtAddressAsync使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类@0xproject/web3-wrapper.Web3Wrapper的用法示例。
在下文中一共展示了Web3Wrapper.doesContractExistAtAddressAsync方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
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;
}