Add native ETH JSON-RPC server (replaces meter-gear)#33
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Replaces the Python meter-gear proxy with a native Go implementation of the Ethereum JSON-RPC API inside meter-pov. This eliminates the extra process and HTTP hop between gear (port 8545) and meter-pov. Phase 1 implements 33 RPC methods across eth, net, web3, rpc, and evm namespaces including: block/tx/receipt queries, eth_call, estimateGas, sendRawTransaction, getLogs, feeHistory, filters, and subscriptions via WebSocket. New package: api/ethapi/ with server.go, api.go, convert.go New CLI flag: --eth-rpc-addr (default localhost:8545) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Tests cover: - convert.go: block/tx/receipt/log conversion, hex helpers, constants, contract creation, multi-clause, empty blocks, multiple events - api.go: CallArgs, LogFilterArgs, Net/Web3/RPC/EVM APIs, ChainId, filter lifecycle, applyTopics, JSON marshaling - server.go: getChainID, CORS handler (headers, preflight, methods) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
eth,net,web3,rpc, andevmnamespaces using geth'srpcpackage (already a dependency)api/ethapi/with server setup, method implementations, and Meter→Ethereum type conversion--eth-rpc-addr(defaultlocalhost:8545) to configure the listen addressMethods implemented (Phase 1)
Trivial/Static:
eth_chainId,eth_gasPrice,eth_maxPriorityFeePerGas,eth_syncing,net_version,net_listening,net_peerCount,web3_clientVersion,rpc_modules,evm_snapshot,evm_revertSimple:
eth_blockNumber,eth_getBalance,eth_getCode,eth_getStorageAt,eth_getTransactionCount,eth_newBlockFilter,eth_uninstallFilter,eth_getFilterChangesMedium:
eth_getBlockByNumber,eth_getBlockByHash,eth_getTransactionByHash,eth_getTransactionReceipt,eth_getTransactionByBlockNumberAndIndex,eth_getTransactionByBlockHashAndIndex,eth_getBlockTransactionCountByNumber,eth_call,eth_estimateGas,eth_sendRawTransaction,eth_getLogsComplex:
eth_getBlockReceipts,eth_feeHistoryArchitecture
Calls directly into existing
chain,state,txpool,logdbpackages — no new external dependencies.Test plan
eth_getBlockByNumber("latest", true)and verify full block with expanded txseth_getTransactionReceipt(hash)and verify log indices, status, gaseth_getLogswith multiple addresses and verify chunking produces correct resultseth_callwith contract call and verify return data matches geareth_estimateGasand verify estimate is reasonableeth_sendRawTransactionwith a signed EIP-1559 tx/wsendpoint🤖 Generated with Claude Code