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rpc errors

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zengchen221 edited this page May 15, 2020 · 1 revision

error code

32000

xxx not found/ can not find xxx

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "ledger_accountInfo",
	"params": [
		"qlc_18f1pbm1hb56ujmx1c9bjyp5wnwmcdxygajkh5cb5dmayddtfps9a5hiooue"
	]
}


{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "account not found"
  }
}

There are similar errors, like block/ token/pending transaction/ frontier/ representation/ pov xxx/ block link/... not found

This error indicates that the query content does not exist on gqlc chain.

(blockhash)[(blocktype)]: xxx

  • example
{
	"jsonrpc": "2.0",
	"id": 18,
	"method": "ledger_process",
	"params": [
{
    "type": "Open",
    "token": "a7e8fa30c063e96a489a47bc43909505bd86735da4a109dca28be936118a8582",
    "address": "qlc_17mppebrj5kocjtr9i1wfxa1ooc9xqtgyqbemgr8wsjxck1xmcppp9abciaf",
    "balance": "2000000000000",
    "vote": "0",
    "network": "0",
    "storage": "0",
    "oracle": "0",
    "previous": "0000000000000000000000000000000000000000000000000000000000000000",
    "link": "d1984dbe427a7bee231eff836b2d15b3f3f90e9da6ff947a9ab1d35c408999ff",
    "message": "0000000000000000000000000000000000000000000000000000000000000000",
    "povHeight": 0,
    "timestamp": 1587972646,
    "extra": "0000000000000000000000000000000000000000000000000000000000000000",
    "representative": "qlc_3hw8s1zubhxsykfsq5x7kh6eyibas9j3ga86ixd7pnqwes1cmt9mqqrngap4",
    "work": "0000000000000000",
    "signature": "de75be6e25cf8a8a2181b80862008507261da71e084f1153d1fb1cb7459c31c3204045570bbeed5097eceaf6a9287a12d231a9ff4ddc3729ee86e87797e7490b"
  }
	]
}


{
  "jsonrpc": "2.0",
  "id": 18,
  "error": {
    "code": -32000,
    "message": "60450af084ecee2991808db8e04cc899a043d9ae31c3cf2063f1e267e24df6da[Open]: gap source: d1984dbe427a7bee231eff836b2d15b3f3f90e9da6ff947a9ab1d35c408999ff"
  }
}

This error is returned by ledger_process, it indicates that the block check failed before broadcast, the common reason include gap source/gap previous/fork/old/bad work/bad signature etc.

account[xxx] has no chain token

  • example
{
	"jsonrpc": "2.0",
	"id": 2,
	"method": "ledger_generateOnlineBlock",
	"params": [
    qlc_17mppebrj5kocjtr9i1wfxa1ooc9xqtgyqbemgr8wsjxck1xmcppp9abciaf,
 e61fac2893c6efc3b42f7ad82f12c704ae1bee6d4195d997b1d7e440f8caaa82af612f95865dd961880c2ba6bca56ca97ad28e7c54c117dfcdb758d4de9a4174, 
    1
	]
}


{
  "jsonrpc": "2.0",
  "id": 2,
  "error": {
    "code": -32000,
    "message": "account[qlc_17mppebrj5kocjtr9i1wfxa1ooc9xqtgyqbemgr8wsjxck1xmcppp9abciaf] has no chain token"
  }
}

This error indicates that the account does not have chain token. it needs to send some chain token to the account

address (xxx) is mismatch privateKey (xxx)

  • example
{
	"jsonrpc": "2.0",
	"id": 2,
	"method": "ledger_generateSendBlock",
	"params": [
		{
			"from": "qlc_3hw8s1zubhxsykfsq5x7kh6eyibas9j3ga86ixd7pnqwes1cmt9mqqrngap4",
			"tokenName": "QLC",
			"to": "qlc_17mppebrj5kocjtr9i1wfxa1ooc9xqtgyqbemgr8wsjxck1xmcppp9abciaf",
			"amount": "2000000000000"
		},
		"abaabdd687fe3f2e2a947d1a29566a868e46431767402ef9a073ffd17f6bd2aabf86c83fb4bfb9f49b9b8fa593c8cf4128c9e21720c487565b52fc6640a9e823"
	]
}

{
  "jsonrpc": "2.0",
  "id": 2,
  "error": {
    "code": -32000,
    "message": "send address (qlc_3hw8s1zubhxsykfsq5x7kh6eyibas9j3ga86ixd7pnqwes1cmt9mqqrngap4) is mismatch privateKey"
  }
}

This error is returned by generate block api, it indicates that the block address and the private key are not match. please check whether the private key is correct.

invalid representative [xxx]

  • example
{
	"jsonrpc": "2.0",
	"id": 2,
	"method": "ledger_generateChangeBlock",
	"params": [
		"qlc_3du37ycreqgse861rcx8qkkpscdttc99ro834zhwuftrtmhbnidnmrkyz4xr",
		"qlc_17mppebrj5kocjtr9i1wfxa1ooc9xqtgyqbemgr8wsjxck1xmcppp9abciaf",
		"e61fac2893c6efc3b42f7ad82f12c704ae1bee6d4195d997b1d7e440f8caaa82af612f95865dd961880c2ba6bca56ca97ad28e7c54c117dfcdb758d4de9a4174"
	]
}


{
  "jsonrpc": "2.0",
  "id": 2,
  "error": {
    "code": -32000,
    "message": "invalid representative[qlc_17mppebrj5kocjtr9i1wfxa1ooc9xqtgyqbemgr8wsjxck1xmcppp9abciaf]"
  }
}

if you want to set a representative to a account, but the representative's account does not exist on gqlc chain, it will return this error.

please open account for the representative or use a new representative.

parameter is nil

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "pledge_getPledgeData"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "parameter is nil"
  }
}

This error indicates that the method need parameters ,but request not supplied.

please check the document for the correct parameters

err count / err offset

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "ledger_accountHistoryTopn",
	"params": [
		"qlc_3hw8s1zubhxsykfsq5x7kh6eyibas9j3ga86ixd7pnqwes1cmt9mqqrngap4",
		-1
	]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "err count"
  }
}

This error often appears in the query interface with pagination. as a rule, the count means number to return, it should be greater than 0, and offset means the index where to start, it should be greater than or equal to 0 or omitted

can not find token xxx

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "ledger_tokenInfoById",
	"params": [
		"a7e8fa30c063e96a489a47bc43909505bd86735da4a109dca28be936118a8582"
	]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "can not find token a7e8fa30c063e96a489a47bc43909505bd86735da4a109dca28be936118a8582"
  }
}

when you send a transaction or query token info , if return this error, it indicates that the token not exist on the gqlc chain, please check whether token name or token hash is correct.

pov sync is not finished, please check it

  • example
{
	"jsonrpc": "2.0",
	"id": 2,
	"method": "ledger_generateSendBlock",
	"params": [
		{
			"from": "qlc_18f1pbm1hb56ujmx1c9bjyp5wnwmcdxygajkh5cb5dmayddtfps9a5hiooue",
			"tokenName": "QLC",
			"to": "qlc_3du37ycreqgse861rcx8qkkpscdttc99ro834zhwuftrtmhbnidnmrkyz4xr",
			"amount": "20000000000000000"
		},
"d127d488ba18cfc6454f1e04a5bc96218c7461e879b268188018cf99432c22191676b313888e55547583c01c6f500ad547edf4ef5d2c9bb06e663d5481d9aad6"
	]
}

{
  "jsonrpc": "2.0",
  "id": 2,
  "error": {
    "code": -32000,
    "message": "pov sync is not finished, please check it"
  }
}

This error indicates that pov status is not ready yet. please wait a minute or check the connection status of the node

32600

invalid request

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"methods": "ledger_chain",
	"param": [
		"c50f886056d289f77f889bfd4e70f3b334e04c11e499605c161d420a8933b739",
		10
	]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32600,
    "message": "invalid request"
  }
}

This error indicates that received message isn't a valid request. please check whether if request message with a invalid ID or the keyword is not correct

in the example, methods should be modified to method

32601

the method xxx does not exist/is not available

  • example:
{
	"jsonrpc": "2.0",
	"id": 18,
	"method": "chain_invalidmethod"
}

{
  "jsonrpc": "2.0",
  "id": 18,
  "error": {
    "code": -32601,
    "message": "the method chain_invalidmethod does not exist/is not available"
  }
}

This error indicates that the called method does not exist, please check whether the method name is correct

32602

invalid argument : xxx

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "ledger_chain",
	"params": [
		"c50f886056d289f77f889bfd4e70f3b334e04c11e499605c161d420a8933b739",
		"500"
	]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "invalid argument 1: json: cannot unmarshal string into Go value of type int"
  }
}

This error indicates that unable to decode supplied parameters. please check whether the parameters type is correct

in the example, the second parameter shoud be a int , but a string is supplied

missing value for required argument xxx

  • example
{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "ledger_chain",
	"params": [
		"c50f886056d289f77f889bfd4e70f3b334e04c11e499605c161d420a8933b739"
	]
}


{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "missing value for required argument 0"
  }
}

This error indicates an invalid number of parameters. please check whether the number of parameters is correct.

in the example, actually requires two parameters, but only one is supplied

32700

parse error

  • example
{
	"jsonrpc": "2.0",
	"id": 18,
	"method": "ledger_chain",
	"params: [
		"c50f886056d289f77f889bfd4e70f3b334e04c11e499605c161d420a8933b739",
		500
	]
}

{
  "jsonrpc": "2.0",
  "id": null,
  "error": {
    "code": -32700,
    "message": "parse error"
  }
}

This error indicates that invalid JSON was received by the server. please check whether the request message is a accurate json format.

in the example , params missing a quote, so it's not a legal json format

QLC Chain Team

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