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| author | Alex Browne <stephenalexbrowne@gmail.com> | 2018-06-05 09:10:42 +0800 |
|---|---|---|
| committer | Alex Browne <stephenalexbrowne@gmail.com> | 2018-06-07 03:40:30 +0800 |
| commit | bca62c813d2e821c56968916615861366402435b (patch) | |
| tree | 041ea056d813b0db32520f7ca9e25e9799530c47 /packages/web3-wrapper/src/web3_wrapper.ts | |
| parent | ae1cf74dcd84b0a39a5781f63c1c3f2beb0e1857 (diff) | |
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Throw in web3-wrapper when rawCallResult is '0x'
Diffstat (limited to 'packages/web3-wrapper/src/web3_wrapper.ts')
| -rw-r--r-- | packages/web3-wrapper/src/web3_wrapper.ts | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts index ace6a2d61..ed2d0a119 100644 --- a/packages/web3-wrapper/src/web3_wrapper.ts +++ b/packages/web3-wrapper/src/web3_wrapper.ts @@ -315,6 +315,9 @@ export class Web3Wrapper { */ public async callAsync(callData: CallData, defaultBlock?: BlockParam): Promise<string> { const rawCallResult = await promisify<string>(this._web3.eth.call)(callData, defaultBlock); + if (rawCallResult === '0x') { + throw new Error('Contract call failed (returned null)'); + } return rawCallResult; } /** |