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November 28, 2017 17:50
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| Source(infiniteTransactionsStream) | |
| .log(“got transaction”) | |
| .grouped(5) | |
| .log(“grouped transactions”) | |
| .scan(0.hashCode.toString) { (previousBlockHash, transactions) => | |
| (transactions.hashCode(), previousBlockHash).hashCode.toString | |
| } | |
| .log(“hashed block”) | |
| .mapAsync(1)(saveHashAndReturnIt) | |
| .log(“saved block”) | |
| .withAttributes(logLevels(onElement = DebugLevel)) |
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