Files
ethereum-rpc-docker/cosmos/scripts/init.sh
Claude Agent 71345092f9 cosmos-hub (gaiad): add compose + init.sh + cometbft.Dockerfile
First pure-cosmos chain (validates the §2 cometbft-common.sh lib via real gaiad init).
Single-binary CometBFT client serving :26657 (dshackle chain=cosmos-hub). Statesync
bootstrap (polkachu) since genesis-replay across gaia governance upgrades is impractical.
gzipped genesis. v25.3.2 (live chain version; registry's v27.4.0 not on ghcr). Params
(chain_id/genesis_url/statesync_rpc/seeds/min_gas) from context.yml.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-15 12:30:07 +00:00

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#!/bin/sh
# cosmos-hub (gaiad) entrypoint — family C, pure CometBFT (no EL). Thin: sources the
# shared cometbft-common.sh and orchestrates init + statesync bootstrap + start.
# Genesis replay across ~25 gaia governance upgrades is impractical, so we statesync
# near head with the current binary. Serves CometBFT RPC :26657 (the dshackle upstream).
set -e
. /usr/local/bin/cometbft-common.sh
HOME_DIR="/root/.gaia"
CONFIG_DIR="$HOME_DIR/config"
CHAIN_ID="${CHAIN_ID:-cosmoshub-4}"
GENESIS_URL="${GENESIS_URL:-https://github.com/cosmos/mainnet/raw/master/genesis/genesis.cosmoshub-4.json.gz}"
STATESYNC_RPC="${STATESYNC_RPC:-https://cosmos-rpc.polkachu.com:443}"
MIN_GAS="${MIN_GAS:-0.005uatom}"
MONIKER="${MONIKER:-rpc-node}"
ct_apk curl jq
if gaiad init "$MONIKER" --chain-id "$CHAIN_ID" --home "$HOME_DIR" >/dev/null 2>&1; then
ct_log "fresh init; fetching genesis"
ct_fetch "$GENESIS_URL" "$CONFIG_DIR/genesis.json.gz" required
if gzip -t "$CONFIG_DIR/genesis.json.gz" 2>/dev/null; then
gunzip -f "$CONFIG_DIR/genesis.json.gz"
else
mv "$CONFIG_DIR/genesis.json.gz" "$CONFIG_DIR/genesis.json" # served plain, not gzipped
fi
ct_localize_home "$CONFIG_DIR"
ct_set_min_gas_prices "$CONFIG_DIR/app.toml" "$MIN_GAS"
else
ct_log "already initialized, continuing"
fi
# Serve RPC on all interfaces (dshackle/traefik upstream); default is 127.0.0.1.
sed -i '/^\[rpc\]/,/^\[/{s|^laddr = .*|laddr = "tcp://0.0.0.0:26657"|}' "$CONFIG_DIR/config.toml"
ct_patch_p2p "$CONFIG_DIR/config.toml" "$IP" "${P2P_PORT:-26656}"
ct_merge_seeds "$CONFIG_DIR/config.toml" "$SEEDS"
ct_set_persistent_peers "$CONFIG_DIR/config.toml" "$PERSISTENT_PEERS"
ct_set_moniker "$CONFIG_DIR/config.toml" "$MONIKER"
ct_configure_statesync "$CONFIG_DIR/config.toml" "$STATESYNC_RPC"
ct_seed_priv_validator_state "$HOME_DIR"
exec gaiad start --home "$HOME_DIR" --minimum-gas-prices "$MIN_GAS" \
--api.enable --api.address tcp://0.0.0.0:1317 --grpc.enable --grpc.address 0.0.0.0:9090 "$@"