KCC
POST
GET
db_getHexdb_getStringdb_putHexdb_putStringeth_compileLLLeth_compileSerpenteth_compileSolidityeth_getBlockRangeeth_getCompilerseth_getWorketh_sendTransactioneth_signeth_signTransactioneth_submitHashrateeth_submitWorkshh_addToGroupshh_getFilterChangesshh_getMessagesshh_hasIdentityshh_newFiltershh_newGroupshh_newIdentityshh_postshh_uninstallFiltershh_version
Last updated on January 1, 1970
1 min read
Method eth_newFilter undefined ()
connect with WS protocol
eth_newFilter
Creates a filter object, based on filter options, to notify when thestate changes (logs). To check if the state has changed, calleth_getFilterChanges.A note on specifying topic filtersTopics are order-dependent. A transaction with a log with topics \[A,B\] will be matched by the following topic filters\[\] “anything”\[A\] “A in first position (and anything after)”\[null, B\] “anything in first position AND B in second position (andanything after)”\[A, B\] “A in first position AND B in second position (and anythingafter)”\[\[A, B\], \[A, B\]\] “(A OR B) in first position AND (A OR B) insecond position (and anything after)”
Parameters
Object - object
Filter options
Request
wscat -c wss://kcc.getblock.io/YOUR-API-KEY/mainnet/
# wait for connection and send the request body
{"jsonrpc": "2.0",
"method": "eth_newFilter",
"params": [{"fromBlock": "earliest", "toBlock": "latest", "topics": []}],
"id": "getblock.io"}
Response
{
"id": "getblock.io",
"jsonrpc": "2.0",
"result": "0x6448bbaaf039f88759b09f224763247c"
}
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Previous
{ "overview": "Overview", "guides": "Guides", "get-started": "Get Started", "rpc-service": "Nodes Methods", "getblock-explorer": "Explorer API", "getblock-tracker": "Tracker API", "nodes-endpoints": "Nodes Endpoints" }
Next
{ "overview": "Overview", "guides": "Guides", "get-started": "Get Started", "rpc-service": "Nodes Methods", "getblock-explorer": "Explorer API", "getblock-tracker": "Tracker API", "nodes-endpoints": "Nodes Endpoints" }
