40 lines
921 B
Bash
40 lines
921 B
Bash
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#!/usr/bin/env bash
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# vim: set ft=sh:
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RPC_PORT="${RPC_PORT:-8545}"
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RPC_HOST="${RPC_HOST:-127.0.0.1}"
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METHOD="$1"
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shift
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PARAMS=("$@")
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if [[ -z "${METHOD}" ]]; then
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echo "No method specified!" >&2
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exit 1
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fi
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if [[ -n "${PARAMS}" ]]; then
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PARAMS_STR=$(printf '%s\",\"' "${PARAMS[@]}")
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# Params are a nested array because of a bug in nim-json-rpc.
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# https://github.com/status-im/nim-json-rpc/issues/90
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PARAMS_STR="[\"${PARAMS_STR%%\",\"}\"]"
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else
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PARAMS_STR=''
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fi
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PAYLOAD="{
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\"id\": 1,
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\"jsonrpc\": \"2.0\",
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\"method\": \"${METHOD}\",
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\"params\": [${PARAMS_STR}]
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}"
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# The jq script checks if error exists and adjusts exit code.
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curl --request POST \
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--silent \
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--show-error \
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--fail-with-body \
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--header 'Content-type:application/json' \
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--data "${PAYLOAD}" \
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"${RPC_HOST}:${RPC_PORT}" | \
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jq -e '., if .error != null then null|halt_error(2) else halt end'
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