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-rw-r--r--packages/base-contract/src/index.ts2
-rw-r--r--packages/typescript-typings/types/ethers/index.d.ts18
-rw-r--r--packages/utils/src/abi_utils.ts18
3 files changed, 25 insertions, 13 deletions
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index 31d2e4019..12f974445 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -87,7 +87,7 @@ export class BaseContract {
// if it overflows the corresponding Solidity type, there is a bug in the
// encoder, or the encoder performs unsafe type coercion.
public static strictArgumentEncodingCheck(inputAbi: DataItem[], args: any[]): void {
- const coder = (ethers as any).utils.AbiCoder.defaultCoder;
+ const coder = ethers.utils.AbiCoder.defaultCoder;
const params = abiUtils.parseEthersParams(inputAbi);
const rawEncoded = coder.encode(params.names, params.types, args);
const rawDecoded = coder.decode(params.names, params.types, rawEncoded);
diff --git a/packages/typescript-typings/types/ethers/index.d.ts b/packages/typescript-typings/types/ethers/index.d.ts
index f869196e0..58bc1e8a9 100644
--- a/packages/typescript-typings/types/ethers/index.d.ts
+++ b/packages/typescript-typings/types/ethers/index.d.ts
@@ -34,4 +34,22 @@ declare module 'ethers' {
const enum errors {
INVALID_ARGUMENT = 'INVALID_ARGUMENT',
}
+
+ export type ParamName = null | string | NestedParamName;
+
+ export interface NestedParamName {
+ name: string | null;
+ names: ParamName[];
+ }
+
+ export const utils: {
+ AbiCoder: {
+ defaultCoder: AbiCoder;
+ };
+ };
+
+ export interface AbiCoder {
+ encode: (names?: ParamName[], types: string[], args: any[]) => string;
+ decode: (names?: ParamName[], types: string[], data: string) => any;
+ }
}
diff --git a/packages/utils/src/abi_utils.ts b/packages/utils/src/abi_utils.ts
index 874e0b2da..fc64a2a89 100644
--- a/packages/utils/src/abi_utils.ts
+++ b/packages/utils/src/abi_utils.ts
@@ -1,20 +1,14 @@
import { AbiDefinition, AbiType, ContractAbi, DataItem, MethodAbi } from 'ethereum-types';
+import * as ethers from 'ethers';
import * as _ from 'lodash';
import { BigNumber } from './configured_bignumber';
-export type EthersParamName = null | string | EthersNestedParamName;
-
-export interface EthersNestedParamName {
- name: string | null;
- names: EthersParamName[];
-}
-
// Note(albrow): This function is unexported in ethers.js. Copying it here for
// now.
// Source: https://github.com/ethers-io/ethers.js/blob/884593ab76004a808bf8097e9753fb5f8dcc3067/contracts/interface.js#L30
-function parseEthersParams(params: DataItem[]): { names: EthersParamName[]; types: string[] } {
- const names: EthersParamName[] = [];
+function parseEthersParams(params: DataItem[]): { names: ethers.ParamName[]; types: string[] } {
+ const names: ethers.ParamName[] = [];
const types: string[] = [];
params.forEach((param: DataItem) => {
@@ -43,7 +37,7 @@ function parseEthersParams(params: DataItem[]): { names: EthersParamName[]; type
// returns true if x is equal to y and false otherwise. Performs some minimal
// type conversion and data massaging for x and y, depending on type. name and
// type should typically be derived from parseEthersParams.
-function isAbiDataEqual(name: EthersParamName, type: string, x: any, y: any): boolean {
+function isAbiDataEqual(name: ethers.ParamName, type: string, x: any, y: any): boolean {
if (_.isUndefined(x) && _.isUndefined(y)) {
return true;
} else if (_.isUndefined(x) && !_.isUndefined(y)) {
@@ -70,7 +64,7 @@ function isAbiDataEqual(name: EthersParamName, type: string, x: any, y: any): bo
if (_.isString(name)) {
throw new Error('Internal error: type was tuple but names was a string');
} else if (_.isNull(name)) {
- throw new Error('Internal error: type was tuple but names was a null');
+ throw new Error('Internal error: type was tuple but names was null');
}
// For tuples, we iterate through the underlying values and check each
// one individually.
@@ -95,7 +89,7 @@ function isAbiDataEqual(name: EthersParamName, type: string, x: any, y: any): bo
//
const nestedName = _.isString(name.names[i])
? (name.names[i] as string)
- : ((name.names[i] as EthersNestedParamName).name as string);
+ : ((name.names[i] as ethers.NestedParamName).name as string);
if (!isAbiDataEqual(name.names[i], types[i], x[nestedName], y[nestedName])) {
return false;
}