27 lines
868 B
Bash
Executable File
27 lines
868 B
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Reads stdin or the file $1, looks lines up as hashes, then outputs block info
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# for each hash. Uses the zcash-cli command for block lookups.
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ZCASH_CLI="${ZCASH_CLI:-zcash-cli}"
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while read hash; do
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header=$($ZCASH_CLI getblockheader "$hash" 2>&1 || true)
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if echo "$header" | jq . > /dev/null 2> /dev/null; then
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high=$(echo "$header" | jq -r '"\(.height)"')
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time=$(echo "$header" | jq -r '"\(.time|todate)"')
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prev=$(echo "$header" | jq -r '"\(.previousblockhash)"')
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next=$(echo "$header" | jq -r '"\(.nextblockhash)"')
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printf 'high: %s\ntime: %s\nhash: %s\nprev: %s\nnext: %s\n' \
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"$high" "$time" "$hash" "$prev" "$next"
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else
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# Handle lookup errors
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printf 'hash: %s\n%s\n' \
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"$hash" "$header"
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fi
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done < "${1:-/dev/stdin}"
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