API reference

API endpoint
The signing service is basically a JSON RPC server that is by default available at:
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http://localhost:20000/cli
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The signing server only supports POSTmethod queries
Request structure
The request sent to the signing server is structured as follows:
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{
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  qid: "XXX",      // Request ID. The response will echo back the same qid
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  method: "XXX",   // Requested method name
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  account: "XXX",  // Account for sign
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  pwd: "XXX",      // Account password
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  params: {}       // Input parameters for the requested method
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}
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Response structure
The response sent by the signing server has the following structure:
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{
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  qid: "XXX",         // Request ID
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  method: "XXX",      // Requested method name
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  result: {           // Response result
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    signed_tx: "XXX"  // Signed transaction
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  },
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  error_code: 0,      // Error code，zero represents success, non-zero represents failure
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  error_info: ""      // Error description
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}
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Error codes
In case an error occurs, the error_code field will contain one of the following error codes:
Error code
Error description
1001
Invalid http method
1002
Invalid http request
1003
Invalid request parameter
1004
Unsupported method
1005
Account is locked
1006
Invalid transactions
1007
ABI is not found
1008
ABI is not matched
9999
Unknown error
Please refer to the following links to find the relevant functions:
Library
Link
Account information
​https://dev-docs.ont.io/#/docs-en/SignServer/04-api-account-methods​
Signing methods
​https://dev-docs.ont.io/#/docs-en/SignServer/05-api-signing-methods​
Convenience methods
​https://dev-docs.ont.io/#/docs-en/SignServer/06-api-signing-convinience-methods​

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