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spike: observe concurrent calls to fetch height logs #22

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spike: observe concurrent calls to fetch height logs #22

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46 changes: 19 additions & 27 deletions services/fetchAndStoreHeightLogs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@

const BATCH_SIZE = 10; // 10 days

const calculateDaysDifference = (startTimestamp) => {

Check failure on line 14 in services/fetchAndStoreHeightLogs.js

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'calculateDaysDifference' is assigned a value but never used. Allowed unused vars must match /^_/u
const startTime = new Date(startTimestamp);
const currentDate = new Date();

Expand Down Expand Up @@ -109,41 +109,33 @@
const COMMIT_BLOCK_FINISH_EVENT_TYPE =
'cosmic-swingset-commit-block-finish';

const foundBeginBlock = await fetchLogsByBlockEvents({
network,
blockHeight,
type: START_BLOCK_EVENT_TYPE,
});

if (!foundBeginBlock) {
throw Error(
`No log entry found for event ${START_BLOCK_EVENT_TYPE} at block height ${blockHeight}`
);
}

console.log(
`Start time of block ${blockHeight}: ${foundBeginBlock.timestamp}`
);
const totalDaysCoverage = calculateDaysDifference(
foundBeginBlock.timestamp
);

const foundCommitBlockFinish = await fetchLogsByBlockEvents({
network,
blockHeight,
type: COMMIT_BLOCK_FINISH_EVENT_TYPE,
totalDaysCoverage,
});
const [foundBeginBlock, foundCommitBlockFinish] = await Promise.all([
fetchLogsByBlockEvents({
network,
blockHeight,
type: START_BLOCK_EVENT_TYPE,
}),
fetchLogsByBlockEvents({
network,
blockHeight,
type: COMMIT_BLOCK_FINISH_EVENT_TYPE,
}),
]);

if (!foundBeginBlock || !foundCommitBlockFinish) {
const missingEventType = !foundBeginBlock
? START_BLOCK_EVENT_TYPE
: COMMIT_BLOCK_FINISH_EVENT_TYPE;

if (!foundCommitBlockFinish) {
throw Error(
`No log entry found for event ${COMMIT_BLOCK_FINISH_EVENT_TYPE} at block height ${blockHeight}`
`No log entry found for event ${missingEventType} at block height ${blockHeight}`
);
}

const startTime = foundBeginBlock.timestamp;
const endTime = foundCommitBlockFinish.timestamp;

console.log(`Start time of block ${blockHeight}: ${startTime}`);
console.log(`End time of block ${blockHeight}: ${endTime}`);

let allEntries = [];
Expand Down
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