Claude Agent
27f10b29d3
babylond v4.3.0 prompts for a BLS key password on every start when bls_key.json exists unless start gets --no-bls-password; without it RPC replicas crash-loop with "failed to get BLS password: EOF". Co-authored-by: Cursor <cursoragent@cursor.com>
56 lines
2.5 KiB
Bash
56 lines
2.5 KiB
Bash
#!/bin/sh
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# babylon-genesis (babylond) entrypoint — family C, pure CometBFT (no EL). Thin: sources the
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# shared cometbft-common.sh and orchestrates init + statesync bootstrap + start.
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# Genesis replay is impractical; statesync near head with the current binary.
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# Serves CometBFT RPC :26657 (the dshackle upstream).
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set -e
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. /usr/local/bin/cometbft-common.sh
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HOME_DIR="/root/.babylond"
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CONFIG_DIR="$HOME_DIR/config"
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CHAIN_ID="${CHAIN_ID:-bbn-1}"
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GENESIS_URL="${GENESIS_URL:-https://raw.githubusercontent.com/babylonlabs-io/networks/main/bbn-1/network-artifacts/genesis.json}"
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STATESYNC_RPC="${STATESYNC_RPC:-https://babylon-rpc.polkachu.com:443}"
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MIN_GAS="${MIN_GAS:-0.002ubbn}"
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MONIKER="${MONIKER:-rpc-node}"
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ct_apk curl jq
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if babylond init "$MONIKER" --chain-id "$CHAIN_ID" --home "$HOME_DIR" >/dev/null 2>&1; then
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ct_log "fresh init; fetching genesis"
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ct_fetch "$GENESIS_URL" "$CONFIG_DIR/genesis.json" required
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ct_localize_home "$CONFIG_DIR"
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ct_set_min_gas_prices "$CONFIG_DIR/app.toml" "$MIN_GAS"
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else
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ct_log "already initialized, continuing"
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fi
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# v4.x start prompts for a BLS password if no key exists; RPC replicas never sign
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# checkpoints, so pre-create an empty-password key before the first start.
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if [ ! -f "$CONFIG_DIR/bls_key.json" ]; then
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ct_log "pre-creating BLS key (no password — RPC replica)"
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babylond create-bls-key --home "$HOME_DIR" --no-bls-password
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fi
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# Serve RPC on all interfaces (dshackle/traefik upstream); default is 127.0.0.1.
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sed -i '/^\[rpc\]/,/^\[/{s|^laddr = .*|laddr = "tcp://0.0.0.0:26657"|}' "$CONFIG_DIR/config.toml"
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# Babylon Genesis block time (9200ms) — required for consensus.
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sed -i 's|^timeout_commit = .*|timeout_commit = "9200ms"|' "$CONFIG_DIR/config.toml"
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# BTC checkpointing network params only — no bitcoind needed for an RPC replica.
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sed -i '/^\[btc-config\]/,/^\[/{s|^network = .*|network = "mainnet"|}' "$CONFIG_DIR/app.toml"
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# Recommended for pruned RPC nodes (reduces memory pressure).
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sed -i 's|^iavl-cache-size = .*|iavl-cache-size = 0|' "$CONFIG_DIR/app.toml"
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ct_patch_p2p "$CONFIG_DIR/config.toml" "$IP" "${P2P_PORT:-26656}"
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ct_merge_seeds "$CONFIG_DIR/config.toml" "$SEEDS"
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ct_set_persistent_peers "$CONFIG_DIR/config.toml" "$PERSISTENT_PEERS"
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ct_set_moniker "$CONFIG_DIR/config.toml" "$MONIKER"
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ct_configure_statesync "$CONFIG_DIR/config.toml" "$STATESYNC_RPC"
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ct_ensure_wasm "$HOME_DIR" "$WASM_SNAPSHOT_URL"
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ct_seed_priv_validator_state "$HOME_DIR"
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exec babylond start --home "$HOME_DIR" --minimum-gas-prices "$MIN_GAS" --no-bls-password "$@"
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