Read-Only Conflux eSpace Queries

Help the user inspect Conflux eSpace state and analyze transactions (e.g. why a tx failed or is stuck). Read-only: no wallets, no signing, no sending. Prefer cast when on PATH; otherwise use curl with JSON-RPC.

Safety

READ-ONLY. No private keys, no transaction signing. Safe for analyzing tx failures and chain state in-session.

Networks (eSpace only)

Network	RPC URL	Chain ID	ConfluxScan API
Mainnet	https://evm.confluxrpc.com	1030	https://evmapi.confluxscan.org
Testnet	https://evmtestnet.confluxrpc.com	71	https://evmapi-testnet.confluxscan.org

Optional env: export CONFLUX_ESPACE_RPC_URL="https://evmtestnet.confluxrpc.com" (or mainnet). ConfluxScan API key can be used for higher rate limits (see api-endpoints.md).

Tool detection

command -v cast && echo "cast available" || echo "use curl"

Query patterns (cast)

Use --rpc-url with eSpace RPC:

# Block number
cast block-number --rpc-url https://evmtestnet.confluxrpc.com

# Balance (CFX, in wei)
cast balance 0xADDRESS --rpc-url https://evmtestnet.confluxrpc.com
cast balance 0xADDRESS --ether --rpc-url https://evmtestnet.confluxrpc.com

# Transaction and receipt
cast tx 0xTXHASH --rpc-url https://evmtestnet.confluxrpc.com
cast receipt 0xTXHASH --rpc-url https://evmtestnet.confluxrpc.com

# Nonce (for stuck-tx analysis: compare confirmed vs pending)
cast nonce 0xADDRESS --rpc-url https://evmtestnet.confluxrpc.com
cast nonce 0xADDRESS --block pending --rpc-url https://evmtestnet.confluxrpc.com

# Contract code, gas price, chain ID
cast code 0xCONTRACT --rpc-url https://evmtestnet.confluxrpc.com
cast gas-price --rpc-url https://evmtestnet.confluxrpc.com
cast chain-id --rpc-url https://evmtestnet.confluxrpc.com

# ERC-20 token balance (raw; use --to-unit for human-readable)
cast call 0xTOKEN "balanceOf(address)(uint256)" 0xADDRESS --rpc-url https://evmtestnet.confluxrpc.com
# With decimals (e.g. 18): cast --to-unit $(cast call ...) 18

Query patterns (curl JSON-RPC)

eSpace uses standard Ethereum JSON-RPC:

# Block number
curl -s -X POST https://evmtestnet.confluxrpc.com \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_blockNumber","id":1}'

# Balance
curl -s -X POST https://evmtestnet.confluxrpc.com \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_getBalance","params":["0xADDRESS","latest"],"id":1}'

# Transaction receipt
curl -s -X POST https://evmtestnet.confluxrpc.com \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_getTransactionReceipt","params":["0xTXHASH"],"id":1}'

Event logs

Always use a narrow block range and contract address. Full-range eth_getLogs / cast logs can hit rate limits or time out. Example: cast logs 0xCONTRACT --from-block N --to-block N+1000 "Transfer(address,address,uint256)" --rpc-url <RPC>.

Transaction analysis (failure / stuck)

Receipt: cast receipt 0xTXHASH --rpc-url <RPC>. Check status (0 = fail, 1 = success). Conflux receipts may include txExecErrorMsg or similar for revert reason.
Stuck / pending: Compare cast nonce ADDR (latest) vs cast nonce ADDR --block pending. If pending > latest, txs are in mempool; earlier nonce must confirm or be replaced.
Lifecycle: Conflux eSpace: pending → mined → executed (~5 epochs) → confirmed (~50 epochs) → finalized. If receipt is null, tx may not be executed yet. See api-endpoints.md for lifecycle doc link.

ConfluxScan API (curl)

Etherscan-compatible REST API. Base: mainnet https://evmapi.confluxscan.org, testnet https://evmapi-testnet.confluxscan.org. Full endpoint list and params: API swagger. Example (contract ABI):

# Get contract ABI (testnet; add ?apikey=KEY if needed)
curl -s "https://evmapi-testnet.confluxscan.org/api?module=contract&action=getabi&address=0xCONTRACT"

Copy-paste patterns and full endpoint table: api-endpoints.md. Rate limits and optional apikey: see ConfluxScan swagger.

Related skills

conflux-docs — official doc links and concepts.
conflux-dev — deploy, verify, integrate apps.

conflux-scan-rpc