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author | F. Eugene Aumson <gene@aumson.org> | 2018-09-21 00:51:30 +0800 |
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committer | F. Eugene Aumson <gene@aumson.org> | 2018-09-21 00:51:30 +0800 |
commit | 301e491952707cdad8929cb918209a3792201a7d (patch) | |
tree | 3092f1f3592d3c4b937bc3d11cdfdcdc66871248 /packages/website/md/docs/0xjs/1.0.1/async.md | |
parent | 30622631ff588b4b87a05e4ce3ca2906ed1edf9f (diff) | |
parent | 3e70ab015ba2cf00064c985c0b76137b182abf7f (diff) | |
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Merge remote-tracking branch 'upstream/development' into sol-doc
Diffstat (limited to 'packages/website/md/docs/0xjs/1.0.1/async.md')
-rw-r--r-- | packages/website/md/docs/0xjs/1.0.1/async.md | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/packages/website/md/docs/0xjs/1.0.1/async.md b/packages/website/md/docs/0xjs/1.0.1/async.md new file mode 100644 index 000000000..bd5ae9d8a --- /dev/null +++ b/packages/website/md/docs/0xjs/1.0.1/async.md @@ -0,0 +1,31 @@ +0x packages are promise-based libraries. This means that whenever an asynchronous call is required, the library method will return a native Javascript promise. You can therefore choose between using `promise` or `async/await` syntax when calling our async methods. + +_Async/await syntax (recommended):_ + +```javascript +try { + const signature = await signatureUtils.ecSignOrderHashAsync( + providerEngine, + orderHashHex, + maker, + SignerType.Default, + ); +} catch (error) { + console.log('Caught error: ', error); +} +``` + +_Promise syntax:_ + +```javascript +signatureUtils + .ecSignOrderHashAsync(providerEngine, orderHashHex, maker, SignerType.Default) + .then(function(signature) { + console.log(signature); + }) + .catch(function(error) { + console.log('Caught error: ', error); + }); +``` + +As is the convention with promise-based libraries, if an error occurs, it is thrown. It is the callers responsibility to catch thrown errors and to handle them appropriately. |