Adding setup script for Namada as single node

scripts/setup-namada-single-node

@@ -0,0 +1,136 @@
+#!/bin/bash
+
+# This script sets up 1 Namada chain locally
+# `make build-release` and `make build-wasm-scripts` on Namada directory in advance
+# Run with `setup-namada-single-node ${namada_dir}`
+
+set -e
+
+NAMADA_DIR=$1
+if [ -z "${NAMADA_DIR}" ]
+then
+  echo "ERROR: Namada directory should be given"
+  exit 1
+fi
+cd $(dirname $0)
+HERMES_DIR=${PWD%/scripts*}
+
+# edit for your environment
+NAMADAC="${NAMADA_DIR}/target/debug/namadac"
+NAMADAN="${NAMADA_DIR}/target/debug/namadan"
+NAMADAW="${NAMADA_DIR}/target/debug/namadaw"
+BASE_GENESIS_PATH="${NAMADA_DIR}/genesis/e2e-tests-single-node.toml"
+CHECKSUM_PATH="${NAMADA_DIR}/wasm/checksums.json"
+DATA_DIR="${HERMES_DIR}/data"
+GENESIS_PATH="${DATA_DIR}/e2e-tests-single-node.toml"
+
+NET_ADDR="127.0.0.1:27656"
+LEDGER_ADDR="127.0.0.1:27657"
+
+HERMES_CONFIG_TEMPLATE="
+[global]
+log_level = 'info'
+
+[mode]
+
+[mode.clients]
+enabled = true
+refresh = true
+misbehaviour = true
+
+[mode.connections]
+enabled = false
+
+[mode.channels]
+enabled = false
+
+[mode.packets]
+enabled = true
+clear_interval = 10
+clear_on_start = false
+tx_confirmation = true
+
+[telemetry]
+enabled = false
+host = '127.0.0.1'
+port = 3001
+
+[[chains]]
+id = '_CHAIN_ID_'
+type = 'namada'
+rpc_addr = 'http://127.0.0.1:27657'
+grpc_addr = 'http://127.0.0.1:9090'
+event_source = { mode = 'push', url = 'ws://127.0.0.1:27657/websocket', batch_delay = '500ms' }
+account_prefix = ''
+key_name = 'relayer'
+store_prefix = 'ibc'
+gas_price = { price = 0.001, denom = 'nam' }
+"
+
+function make_genesis() {
+    sed "s/epochs_per_year = .*/epochs_per_year = 31536/g" \
+      ${BASE_GENESIS_PATH} > ${GENESIS_PATH}
+}
+
+function init_network() {
+  local genesis_path=$1
+
+  mkdir -p ${DATA_DIR}/namada
+  NAMADA_BASE_DIR=${DATA_DIR}/namada/.namada \
+  ${NAMADAC} utils init-network \
+    --unsafe-dont-encrypt \
+    --genesis-path ${genesis_path} \
+    --chain-prefix namada-test \
+    --localhost \
+    --dont-archive \
+    --wasm-checksums-path ${CHECKSUM_PATH} \
+  | awk '$1 == "Derived" {print $4}'
+}
+
+function copy_wasm() {
+  local chain_id=$1
+
+  local base_dir=${DATA_DIR}/namada/.namada
+
+  cp ${NAMADA_DIR}/wasm/checksums.json ${base_dir}/${chain_id}/setup/validator-0/.namada/${chain_id}/wasm/
+  cp ${NAMADA_DIR}/wasm/*.wasm ${base_dir}/${chain_id}/setup/validator-0/.namada/${chain_id}/wasm/
+}
+
+function init_relayer_acc() {
+  local chain_id=$1
+  local ledger_addr=$2
+
+  local base_dir=${DATA_DIR}/namada/.namada
+  local wallet_dir=${HERMES_DIR}/namada_wallet/${chain_id}
+
+  ${NAMADAW} --base-dir ${base_dir} \
+    key gen --alias relayer --unsafe-dont-encrypt
+
+  mkdir -p ${wallet_dir}
+  ln -s ${base_dir}/${chain_id}/wallet.toml ${wallet_dir}
+}
+
+# ==== main ====
+
+mkdir -p ${DATA_DIR}
+
+make_genesis
+chain_id=$(init_network ${GENESIS_PATH})
+
+copy_wasm ${chain_id}
+
+${NAMADAN} --base-dir ${DATA_DIR}/namada/.namada/${chain_id}/setup/validator-0/.namada/ \
+  ledger run > ${DATA_DIR}/namada/namada.log 2>&1 &
+echo "Namada chain's PID = $!"
+sleep 5
+
+init_relayer_acc ${chain_id} ${LEDGER_ADDR}
+
+# for the relayer
+cd ${HERMES_DIR}
+echo "${HERMES_CONFIG_TEMPLATE}" \
+  | sed -e "s/_CHAIN_ID_/${chain_id}/g" \
+  > ${HERMES_DIR}/config_for_namada.toml
+
+echo "A Namada chain is running"
+echo "You can use Hermes with ${HERMES_DIR}/config_for_namada.toml"