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Compute median fee and fee percentiles in sats

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nymkappa
2023-02-18 11:26:13 +09:00
parent 8f716a1d8c
commit 458f24c9f2
5 changed files with 79 additions and 6 deletions
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18
backend/src/api/blocks.ts
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@@ -203,10 +203,13 @@ class Blocks {
blk.extras.segwitTotalWeight = stats.swtotal_weight;
}
blk.extras.feePercentiles = [], // TODO
blk.extras.medianFeeAmt = 0; // TODO
blk.extras.blockTime = 0; // TODO
blk.extras.orphaned = false; // TODO
blk.extras.feePercentiles = await BlocksSummariesRepository.$getFeePercentilesByBlockId(block.id);
if (blk.extras.feePercentiles !== null) {
blk.extras.medianFeeAmt = blk.extras.feePercentiles[3];
}
blk.extras.virtualSize = block.weight / 4.0;
if (blk.extras.coinbaseTx.vout.length > 0) {
@@ -791,7 +794,6 @@ class Blocks {
continue;
}
}
delete(block.hash);
delete(block.previous_block_hash);
delete(block.pool_name);
@@ -800,6 +802,16 @@ class Blocks {
delete(block.pool_regexes);
delete(block.median_timestamp);
// This requires `blocks_summaries` to be available. It takes a very long
// time to index this table so we just try to serve the data the best we can
if (block.fee_percentiles === null) {
block.fee_percentiles = await BlocksSummariesRepository.$getFeePercentilesByBlockId(block.id);
if (block.fee_percentiles !== null) {
block.median_fee_amt = block.fee_percentiles[3];
await blocksRepository.$saveFeePercentilesForBlockId(block.id, block.fee_percentiles);
}
}
blocks.push(block);
fromHeight++;
}

2
backend/src/api/database-migration.ts
View File

@@ -772,7 +772,7 @@ class DatabaseMigration {
ADD total_outputs int unsigned NOT NULL,
ADD total_output_amt bigint unsigned NOT NULL,
ADD fee_percentiles longtext NULL,
ADD median_fee_amt int unsigned NOT NULL,
ADD median_fee_amt int unsigned NULL,
ADD segwit_total_txs int unsigned NOT NULL,
ADD segwit_total_size int unsigned NOT NULL,
ADD segwit_total_weight int unsigned NOT NULL,