tornado-packages/ethers.js
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Fixed error message for unconfigured ENS names (#504).

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This commit is contained in:
Richard Moore 2019-05-23 18:51:08 -04:00
parent a4a532fe8e
commit 7075c8c235
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GPG Key ID: 525F70A6FCABC295
1 changed files with 20 additions and 8 deletions
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28
src.ts/providers/base-provider.ts
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@ -3,6 +3,7 @@
import { getAddress, getContractAddress } from '../utils/address';
import { BigNumber, bigNumberify } from '../utils/bignumber';
import { hexDataLength, hexDataSlice, hexlify, hexStripZeros, isHexString, stripZeros } from '../utils/bytes';
import { AddressZero } from "../constants";
import { namehash } from '../utils/hash';
import { getNetwork } from '../utils/networks';
import { defineReadOnly, inheritable, resolveProperties, shallowCopy } from '../utils/properties';
@ -816,7 +817,7 @@ export class BaseProvider extends Provider {
getBalance(addressOrName: string | Promise<string>, blockTag?: BlockTag | Promise<BlockTag>): Promise<BigNumber> {
return this.ready.then(() => {
return resolveProperties({ addressOrName: addressOrName, blockTag: blockTag }).then(({ addressOrName, blockTag }) => {
return this.resolveName(addressOrName).then((address) => {
return this._getAddress(addressOrName).then((address) => {
let params = { address: address, blockTag: checkBlockTag(blockTag) };
return this.perform('getBalance', params).then((result) => {
return bigNumberify(result);
@ -829,7 +830,7 @@ export class BaseProvider extends Provider {
getTransactionCount(addressOrName: string | Promise<string>, blockTag?: BlockTag | Promise<BlockTag>): Promise<number> {
return this.ready.then(() => {
return resolveProperties({ addressOrName: addressOrName, blockTag: blockTag }).then(({ addressOrName, blockTag }) => {
return this.resolveName(addressOrName).then((address) => {
return this._getAddress(addressOrName).then((address) => {
let params = { address: address, blockTag: checkBlockTag(blockTag) };
return this.perform('getTransactionCount', params).then((result) => {
return bigNumberify(result).toNumber();
@ -842,7 +843,7 @@ export class BaseProvider extends Provider {
getCode(addressOrName: string | Promise<string>, blockTag?: BlockTag | Promise<BlockTag>): Promise<string> {
return this.ready.then(() => {
return resolveProperties({ addressOrName: addressOrName, blockTag: blockTag }).then(({ addressOrName, blockTag }) => {
return this.resolveName(addressOrName).then((address) => {
return this._getAddress(addressOrName).then((address) => {
let params = {address: address, blockTag: checkBlockTag(blockTag)};
return this.perform('getCode', params).then((result) => {
return hexlify(result);
@ -855,7 +856,7 @@ export class BaseProvider extends Provider {
getStorageAt(addressOrName: string | Promise<string>, position: BigNumberish | Promise<BigNumberish>, blockTag?: BlockTag | Promise<BlockTag>): Promise<string> {
return this.ready.then(() => {
return resolveProperties({ addressOrName: addressOrName, position: position, blockTag: blockTag }).then(({ addressOrName, position, blockTag }) => {
return this.resolveName(addressOrName).then((address) => {
return this._getAddress(addressOrName).then((address) => {
let params = {
address: address,
blockTag: checkBlockTag(blockTag),
@ -1108,6 +1109,15 @@ export class BaseProvider extends Provider {
});
}
_getAddress(addressOrName: string): Promise<string> {
return this.resolveName(addressOrName).then((address) => {
if (address == null) {
errors.throwError("ENS name not configured", errors.UNSUPPORTED_OPERATION, { operation: "resolveName(" + JSON.stringify(addressOrName) + ")" });
}
return address;
});
}
// @TODO: Could probably use resolveProperties instead?
private _resolveNames(object: any, keys: Array<string>): Promise<{ [key: string]: string }> {
let promises: Array<Promise<void>> = [];
@ -1116,7 +1126,7 @@ export class BaseProvider extends Provider {
keys.forEach(function(key) {
if (result[key] == null) { return; }
promises.push(this.resolveName(result[key]).then((address: string) => {
promises.push(this._getAddress(result[key]).then((address: string) => {
result[key] = address;
return;
}));
@ -1143,10 +1153,11 @@ export class BaseProvider extends Provider {
let transaction = { to: network.ensAddress, data: data };
return this.call(transaction).then((data) => {
// extract the address from the data
if (hexDataLength(data) !== 32) { return null; }
return getAddress(hexDataSlice(data, 12));
let address = getAddress(hexDataSlice(data, 12));
if (address === AddressZero) { return null; }
return address;
});
});
}
@ -1171,6 +1182,7 @@ export class BaseProvider extends Provider {
// Get the addr from the resovler
return this._getResolver(name).then(function(resolverAddress) {
if (resolverAddress == null) { return null; }
// keccak256('addr(bytes32)')
let data = '0x3b3b57de' + nodeHash.substring(2);
@ -1181,7 +1193,7 @@ export class BaseProvider extends Provider {
}).then(function(data) {
if (hexDataLength(data) !== 32) { return null; }
let address = getAddress(hexDataSlice(data, 12));
if (address === '0x0000000000000000000000000000000000000000') { return null; }
if (address === AddressZero) { return null; }
return address;
});
}