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nym21
228
scripts/compare_bitcoin_cli.sh
Executable file
228
scripts/compare_bitcoin_cli.sh
Executable file
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#!/usr/bin/env bash
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#
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# Compare brk output against bitcoin-cli to find discrepancies.
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#
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set -euo pipefail
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BRK="http://localhost:3110"
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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BOLD='\033[1m'
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NC='\033[0m'
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pass=0
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fail=0
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warn=0
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# Convert BTC decimal string to sats using python Decimal (no float loss)
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btc_to_sats() {
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python3 -c "from decimal import Decimal; print(int(Decimal('$1') * 100000000))"
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}
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# Sum an array of BTC values to sats precisely
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sum_btc_values_to_sats() {
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python3 -c "
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import sys, json
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from decimal import Decimal
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vals = json.load(sys.stdin)
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print(int(sum(Decimal(str(v)) for v in vals) * 100000000))
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"
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}
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compare() {
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local label="$1" btc_val="$2" brk_val="$3"
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if [[ "$btc_val" == "$brk_val" ]]; then
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printf "${GREEN} ✓ %-30s${NC} %s\n" "$label" "$btc_val"
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((pass++)) || true
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else
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printf "${RED} ✗ %-30s${NC} bitcoin-cli: %-20s brk: %-20s\n" "$label" "$btc_val" "$brk_val"
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((fail++)) || true
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fi
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}
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compare_float() {
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local label="$1" btc_val="$2" brk_val="$3"
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local btc_short="${btc_val:0:15}" brk_short="${brk_val:0:15}"
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if [[ "$btc_short" == "$brk_short" ]]; then
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printf "${GREEN} ✓ %-30s${NC} %s\n" "$label" "$btc_val"
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((pass++)) || true
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else
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printf "${YELLOW} ~ %-30s${NC} bitcoin-cli: %-20s brk: %-20s\n" "$label" "$btc_val" "$brk_val"
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((warn++)) || true
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fi
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}
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section() {
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printf "\n${BOLD}── %s ──${NC}\n" "$1"
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}
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# ─── Get tip from brk ───
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brk_height=$(curl -sf "$BRK/api/blocks/tip/height")
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brk_hash=$(curl -sf "$BRK/api/blocks/tip/hash")
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btc_height=$(bitcoin-cli getblockcount)
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btc_hash=$(bitcoin-cli getbestblockhash)
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section "Chain tip"
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compare "height" "$btc_height" "$brk_height"
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compare "hash" "$btc_hash" "$brk_hash"
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# If tips differ, use the lower height for comparison
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if [[ "$btc_height" != "$brk_height" ]]; then
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printf "${YELLOW} Tips differ — comparing at brk height %s${NC}\n" "$brk_height"
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btc_hash=$(bitcoin-cli getblockhash "$brk_height")
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brk_hash=$(curl -sf "$BRK/api/block-height/$brk_height")
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compare "hash at $brk_height" "$btc_hash" "$brk_hash"
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fi
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# ─── gettxoutsetinfo ───
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section "gettxoutsetinfo"
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printf " Running gettxoutsetinfo (this can take a while)...\n"
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txoutset=$(bitcoin-cli gettxoutsetinfo 2>/dev/null || echo '{}')
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if [[ "$txoutset" != '{}' ]]; then
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btc_txouts=$(echo "$txoutset" | jq -r '.txouts')
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btc_total_amount=$(echo "$txoutset" | jq -r '.total_amount')
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btc_txoutset_height=$(echo "$txoutset" | jq -r '.height')
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# Get brk utxoSetSize from block extras at that height
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txoutset_hash=$(bitcoin-cli getblockhash "$btc_txoutset_height")
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brk_block=$(curl -sf "$BRK/api/v1/block/$txoutset_hash")
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brk_utxo_set_size=$(echo "$brk_block" | jq -r '.extras.utxoSetSize')
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compare "txouts (UTXO count)" "$btc_txouts" "$brk_utxo_set_size"
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if [[ "$btc_txouts" != "$brk_utxo_set_size" ]]; then
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diff=$((brk_utxo_set_size - btc_txouts))
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printf "${RED} → delta: %d${NC}\n" "$diff"
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fi
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btc_supply_sats=$(btc_to_sats "$btc_total_amount")
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printf " ${YELLOW}total_amount:${NC} bitcoin-cli: %s BTC (%s sats) — check brk supply series\n" "$btc_total_amount" "$btc_supply_sats"
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else
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printf " ${YELLOW}gettxoutsetinfo unavailable or timed out${NC}\n"
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fi
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# ─── getblock comparison ───
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section "getblock vs /api/v1/block (at tip: $brk_hash)"
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btc_block=$(bitcoin-cli getblock "$brk_hash")
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brk_v1=$(curl -sf "$BRK/api/v1/block/$brk_hash")
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btc_size=$(echo "$btc_block" | jq -r '.size')
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btc_weight=$(echo "$btc_block" | jq -r '.weight')
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btc_nTx=$(echo "$btc_block" | jq -r '.nTx')
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btc_difficulty=$(echo "$btc_block" | jq -r '.difficulty')
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btc_version=$(echo "$btc_block" | jq -r '.version')
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# bitcoin-cli returns bits as hex string, brk as decimal — convert
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btc_bits_hex=$(echo "$btc_block" | jq -r '.bits')
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btc_bits=$(printf '%d' "0x$btc_bits_hex" 2>/dev/null || echo "$btc_bits_hex")
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btc_nonce=$(echo "$btc_block" | jq -r '.nonce')
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btc_timestamp=$(echo "$btc_block" | jq -r '.time')
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btc_mediantime=$(echo "$btc_block" | jq -r '.mediantime')
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btc_merkle=$(echo "$btc_block" | jq -r '.merkleroot')
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btc_prevhash=$(echo "$btc_block" | jq -r '.previousblockhash')
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brk_size=$(echo "$brk_v1" | jq -r '.size')
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brk_weight=$(echo "$brk_v1" | jq -r '.weight')
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brk_nTx=$(echo "$brk_v1" | jq -r '.tx_count')
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brk_difficulty=$(echo "$brk_v1" | jq -r '.difficulty')
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brk_version=$(echo "$brk_v1" | jq -r '.version')
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brk_bits=$(echo "$brk_v1" | jq -r '.bits')
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brk_nonce=$(echo "$brk_v1" | jq -r '.nonce')
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brk_timestamp=$(echo "$brk_v1" | jq -r '.timestamp')
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brk_mediantime=$(echo "$brk_v1" | jq -r '.mediantime')
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brk_merkle=$(echo "$brk_v1" | jq -r '.merkle_root')
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brk_prevhash=$(echo "$brk_v1" | jq -r '.previousblockhash')
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compare "size" "$btc_size" "$brk_size"
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compare "weight" "$btc_weight" "$brk_weight"
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compare "nTx / tx_count" "$btc_nTx" "$brk_nTx"
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compare_float "difficulty" "$btc_difficulty" "$brk_difficulty"
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compare "version" "$btc_version" "$brk_version"
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compare "bits" "$btc_bits" "$brk_bits"
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compare "nonce" "$btc_nonce" "$brk_nonce"
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compare "timestamp" "$btc_timestamp" "$brk_timestamp"
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compare "mediantime" "$btc_mediantime" "$brk_mediantime"
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compare "merkle_root" "$btc_merkle" "$brk_merkle"
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compare "previousblockhash" "$btc_prevhash" "$brk_prevhash"
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# ─── Block extras sanity checks ───
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section "Block extras sanity (at tip)"
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btc_block_v2=$(bitcoin-cli getblock "$brk_hash" 2 2>/dev/null || echo '{}')
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if [[ "$btc_block_v2" != '{}' ]]; then
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btc_total_outputs=$(echo "$btc_block_v2" | jq '[.tx[].vout | length] | add')
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btc_total_inputs=$(echo "$btc_block_v2" | jq '[.tx[1:][].vin | length] | add // 0')
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brk_total_outputs=$(echo "$brk_v1" | jq -r '.extras.totalOutputs')
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brk_total_inputs=$(echo "$brk_v1" | jq -r '.extras.totalInputs')
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compare "totalOutputs" "$btc_total_outputs" "$brk_total_outputs"
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compare "totalInputs" "$btc_total_inputs" "$brk_total_inputs"
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# totalOutputAmt excludes coinbase (matches mempool.space), so compare non-coinbase outputs only
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btc_total_output_amt=$(echo "$btc_block_v2" | jq '[.tx[1:][].vout[].value]' | sum_btc_values_to_sats)
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brk_total_output_amt=$(echo "$brk_v1" | jq -r '.extras.totalOutputAmt')
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compare "totalOutputAmt (sats)" "$btc_total_output_amt" "$brk_total_output_amt"
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if [[ "$btc_total_output_amt" != "$brk_total_output_amt" ]]; then
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delta=$((brk_total_output_amt - btc_total_output_amt))
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printf "${RED} → delta: %d sats (%.8f BTC)${NC}\n" "$delta" "$(python3 -c "print($delta / 1e8)")"
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fi
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# Reward = subsidy + fees. bitcoin-cli coinbase output sum = reward
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btc_coinbase_value=$(echo "$btc_block_v2" | jq '[.tx[0].vout[].value]' | sum_btc_values_to_sats)
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brk_reward=$(echo "$brk_v1" | jq -r '.extras.reward')
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compare "reward (coinbase sats)" "$btc_coinbase_value" "$brk_reward"
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# Total input amount — needs verbosity 3 for prevout data
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btc_block_v3=$(bitcoin-cli getblock "$brk_hash" 3 2>/dev/null || echo '{}')
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if [[ "$btc_block_v3" != '{}' ]]; then
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btc_total_input_amt=$(echo "$btc_block_v3" | jq '[.tx[1:][].vin[].prevout.value]' | sum_btc_values_to_sats)
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brk_total_input_amt=$(echo "$brk_v1" | jq -r '.extras.totalInputAmt')
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compare "totalInputAmt (sats)" "$btc_total_input_amt" "$brk_total_input_amt"
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if [[ "$btc_total_input_amt" != "$brk_total_input_amt" ]]; then
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delta=$((brk_total_input_amt - btc_total_input_amt))
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printf "${RED} → delta: %d sats (%.8f BTC)${NC}\n" "$delta" "$(python3 -c "print($delta / 1e8)")"
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fi
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# fees = non-coinbase inputs - non-coinbase outputs
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btc_fees=$((btc_total_input_amt - btc_total_output_amt))
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brk_fees=$(echo "$brk_v1" | jq -r '.extras.totalFees')
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compare "totalFees (sats)" "$btc_fees" "$brk_fees"
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else
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printf " ${YELLOW}getblock verbosity 3 unavailable — skipping totalInputAmt${NC}\n"
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fi
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else
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printf " ${YELLOW}getblock verbosity 2 unavailable${NC}\n"
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fi
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# ─── getmempoolinfo ───
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section "getmempoolinfo vs /api/mempool"
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btc_mempool=$(bitcoin-cli getmempoolinfo)
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brk_mempool=$(curl -sf "$BRK/api/mempool")
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btc_mp_count=$(echo "$btc_mempool" | jq -r '.size')
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btc_mp_vsize=$(echo "$btc_mempool" | jq -r '.bytes')
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brk_mp_count=$(echo "$brk_mempool" | jq -r '.count')
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brk_mp_vsize=$(echo "$brk_mempool" | jq -r '.vsize')
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printf " ${YELLOW}%-30s${NC} bitcoin-cli: %-12s brk: %-12s (live, may differ)\n" "tx count" "$btc_mp_count" "$brk_mp_count"
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printf " ${YELLOW}%-30s${NC} bitcoin-cli: %-12s brk: %-12s (live, may differ)\n" "vsize" "$btc_mp_vsize" "$brk_mp_vsize"
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# ─── Difficulty adjustment ───
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section "Difficulty adjustment"
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compare_float "current difficulty" "$(echo "$btc_block" | jq -r '.difficulty')" "$(echo "$brk_v1" | jq -r '.difficulty')"
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# ─── Summary ───
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section "Summary"
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printf " ${GREEN}Passed: %d${NC} ${RED}Failed: %d${NC} ${YELLOW}Approximate: %d${NC}\n" "$pass" "$fail" "$warn"
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if [[ $fail -gt 0 ]]; then
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exit 1
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fi
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