eth_getBlockTransactionCountByHash

Query the number of transactions in a block by its hash.

• Source: framework/src/main/java/org/tron/core/services/jsonrpc/TronJsonRpcImpl.java#ethGetBlockTransactionCountByHash
• Ports: FullNode 8545 / Solidity 8555

Request parameters

Position	Type	Required	Description
params[0]	string	yes	32-byte block hash

curl -X POST https://nile.trongrid.io/jsonrpc \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_getBlockTransactionCountByHash","params":["0x0000000003fe1ca05cf728c92ee79f5f2758c3e4e4ea88501826726880e8b81c"],"id":1}'

Response

Hex-encoded block.getTransactionsList().size(). Returns null if the block does not exist.

The example below is the real response captured from the Nile testnet curl above (block 0x3fe1ca0 has 4 transactions):

{ "jsonrpc": "2.0", "id": 1, "result": "0x4" }

Error responses

Trigger	Code	message
params[0] does not match (0x)?[a-zA-Z0-9]{64}	-32602	invalid hash value
params[0] is a valid 64-char string but fails to decode	-32602	passes through the message thrown by ByteArray.fromHexString

---