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-rw-r--r--src/web3_wrapper.ts10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/web3_wrapper.ts b/src/web3_wrapper.ts
index 97d04db8c..e65f29b56 100644
--- a/src/web3_wrapper.ts
+++ b/src/web3_wrapper.ts
@@ -9,6 +9,9 @@ export class Web3Wrapper {
this.web3 = new Web3();
this.web3.setProvider(web3.currentProvider);
}
+ public setProvider(provider: Web3.Provider) {
+ this.web3.setProvider(provider);
+ }
public isAddress(address: string): boolean {
return this.web3.isAddress(address);
}
@@ -49,10 +52,9 @@ export class Web3Wrapper {
}
public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
const code = await promisify(this.web3.eth.getCode)(address);
- // Regex matches 0x0, 0x00, 0x in order to accomodate poorly implemented clients
- const zeroHexAddressRegex = /^0x0*$/i;
- const didFindCode = _.isNull(code.match(zeroHexAddressRegex));
- return didFindCode;
+ // Regex matches 0x0, 0x00, 0x in order to accommodate poorly implemented clients
+ const codeIsEmpty = /^0x0{0,40}$/i.test(code);
+ return !codeIsEmpty;
}
public async signTransactionAsync(address: string, message: string): Promise<string> {
const signData = await promisify(this.web3.eth.sign)(address, message);