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Problem: decodeLogs cannot find events containing structures #199

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Problem: decodeLogs cannot find events containing structures #199

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12 changes: 9 additions & 3 deletions src/expectEvent.js
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ function decodeLogs (logs, emitter, eventName) {
eventABI = eventABI[0];

// The first topic will equal the hash of the event signature
const eventSignature = `${eventName}(${eventABI.inputs.map(input => input.type).join(',')})`;
const eventSignature = signature(eventName, eventABI.inputs);
const eventTopic = web3.utils.sha3(eventSignature);

// Only decode events of type 'EventName'
Expand All @@ -143,6 +143,12 @@ function decodeLogs (logs, emitter, eventName) {
.map(decoded => ({ event: eventName, args: decoded }));
}

function signature (name, inputs) {
return `${name}(${inputs.map(
input => input.type === 'tuple' ? signature('', input.components) : input.type,
).join(',')})`;
}

function contains (args, key, value) {
expect(key in args).to.equal(true, `Event argument '${key}' not found`);

Expand Down Expand Up @@ -191,11 +197,11 @@ expectEvent.notEmitted.inTransaction = notInTransaction;
expectEvent.not = {};
expectEvent.not.inConstruction = deprecate(
notInConstruction,
'expectEvent.not is deprecated. Use expectEvent.notEmitted instead.'
'expectEvent.not is deprecated. Use expectEvent.notEmitted instead.',
);
expectEvent.not.inTransaction = deprecate(
notInTransaction,
'expectEvent.not is deprecated. Use expectEvent.notEmitted instead.'
'expectEvent.not is deprecated. Use expectEvent.notEmitted instead.',
);

module.exports = expectEvent;