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Prad NukalaandGitHub
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28 lines
809 B
Bash
Executable File
28 lines
809 B
Bash
Executable File
#!/bin/bash
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# chain-rpc-ready.sh - Check if a CometBFT or Tendermint RPC service is ready
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# Usage: chain-rpc-ready.sh [RPC_URL]
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set -euo pipefail
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RPC_URL=${1:-"http://localhost:26657"}
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echo 1>&2 "Checking if $RPC_URL is ready..."
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# Check if the RPC URL is reachable,
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json=$(curl -s --connect-timeout 2 "$RPC_URL/status")
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# and the bootstrap block state has been validated,
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if [ "$(echo "$json" | jq -r '.result.sync_info | (.earliest_block_height < .latest_block_height)')" != true ]; then
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echo 1>&2 "$RPC_URL is not ready: bootstrap block state has not been validated"
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exit 1
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fi
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# and the node is not catching up.
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if [ "$(echo "$json" | jq -r .result.sync_info.catching_up)" != false ]; then
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echo 1>&2 "$RPC_URL is not ready: node is catching up"
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exit 1
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fi
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echo "$json" | jq -r .result
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exit 0
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