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Cosmos

cosmos_getAccounts​

This method returns an array of key pairs available to sign from the wallet mapped with an associated algorithm and address on the blockchain.

Parameters​

none

Returns​

1.Array - Array of accounts: 1.1. Object - Account Data object with parameters: 1.1.1. algo : STRING - algorithm used for signing 1.1.2. address : STRING - corresponding address for keypair 1.1.3. pubkey : STRING - base64 encoded public key for keypair

Example​

// Request
{
"id": 1,
"jsonrpc": "2.0",
"method": "cosmos_getAccounts",
"params": {}
}

// Result
{
"id": 1,
"jsonrpc": "2.0",
"result": [
{
"algo": "secp256k1",
"address": "cosmos1sguafvgmel6f880ryvq8efh9522p8zvmrzlcrq",
"pubkey": "AgSEjOuOr991QlHCORRmdE5ahVKeyBrmtgoYepCpQGOW"
}
]
}

cosmos_signDirect​

This method returns a signature for the provided document to be signed targeting the requested signer address corresponding to the keypair returned by the account data.

Parameters​

  1. Object - Signing parameters: 1.1. signerAddress : STRING - corresponding address for keypair 1.2. signDoc : Object - Document to be signed: 1.2.2. chainId : STRING - identifier of blockchain 1.2.1. accountNumber : STRING - blockchain account number 1.2.3. authInfoBytes : DATA - encoded authentication information 1.2.4. bodyBytes : DATA - encoded body of message to sign

Returns​

  1. Object - Signing parameters: 1.1. signature : Object - corresponding signature for signed documented 1.1.1. pub_key : Object - public key for keypair 1.1.1.1: type : STRING - type of public key 1.1.1.2: value : STRING - value of public key 1.1.2. signature: STRING - corresponding signature for signed documented 1.2. signed : Object - Signed document: 1.2.2. chainId : STRING - identifier of blockchain 1.2.1. accountNumber : STRING - blockchain account number 1.2.3. authInfoBytes : DATA - encoded authentication information 1.2.4. bodyBytes : DATA - encoded body of message to sign

Example​

// Request
{
"id": 1,
"jsonrpc": "2.0",
"method": "cosmos_signDirect",
"params": {
"signerAddress": "cosmos1sguafvgmel6f880ryvq8efh9522p8zvmrzlcrq",
"signDoc": {
"chainId": "cosmoshub-4",
"accountNumber": "1"
"authInfoBytes": "CgoKABIECgIIARgBEhMKDQoFdWNvc20SBDIwMDAQwJoM",
"bodyBytes": "CpABChwvY29zbW9zLmJhbmsudjFiZXRhMS5Nc2dTZW5kEnAKLWNvc21vczFwa3B0cmU3ZmRrbDZnZnJ6bGVzamp2aHhobGMzcjRnbW1rOHJzNhItY29zbW9zMXF5cHF4cHE5cWNyc3N6ZzJwdnhxNnJzMHpxZzN5eWM1bHp2N3h1GhAKBXVjb3NtEgcxMjM0NTY3"
}
}
}

// Result
{
"id": 1,
"jsonrpc": "2.0",
"result": {
"signature": {
"pub_key": {
"type": "tendermint/PubKeySecp256k1",
"value": "AgSEjOuOr991QlHCORRmdE5ahVKeyBrmtgoYepCpQGOW"
},
"signature": "AnTrXtS2lr9CBwhTpRa8ZlKcVR9PeIXGaTpvodyJU05QvRKVjIkQfOZl5JhdkfxCY+a6rhwCOYVcbKQTJlMw4w=="
},
"signed": {
"chainId": "cosmoshub-4",
"accountNumber": "1"
"authInfoBytes": "CgoKABIECgIIARgBEhMKDQoFdWNvc20SBDIwMDAQwJoM",
"bodyBytes": "CpABChwvY29zbW9zLmJhbmsudjFiZXRhMS5Nc2dTZW5kEnAKLWNvc21vczFwa3B0cmU3ZmRrbDZnZnJ6bGVzamp2aHhobGMzcjRnbW1rOHJzNhItY29zbW9zMXF5cHF4cHE5cWNyc3N6ZzJwdnhxNnJzMHpxZzN5eWM1bHp2N3h1GhAKBXVjb3NtEgcxMjM0NTY3"
}
}
}

cosmos_signAmino​

This method returns a signature for the provided document to be signed targeting the requested signer address corresponding to the keypair returned by the account data.

Parameters​

  1. Object - Signing parameters: 1.1. signerAddress : STRING - corresponding address for keypair 1.2. signDoc : Object - Document to be signed: 1.2.2. chain_id : STRING - identifier of blockchain 1.2.1. account_number : STRING - blockchain account number 1.2.3. sequence : STRING - blockchain account sequence 1.2.4. memo : STRING - amino message memo 1.2.5. msgs : Array - array of amino messages to be signed: 1.2.5.1. Object - amino message object: 1.2.5.1.1. - type : STRING - amino message type 1.2.5.1.2. - value : STRING - amino message value 1.2.6. fee : Object - fee description object 1.2.6.1. amount : Array - array of currency fees: 1.2.6.1.1. Object - currency fee description object: 1.2.6.1.1.1. denom : STRING - currency denomination 1.2.6.1.1.2. amount : STRING - currency amount 1.2.6.2. gas : STRING - gas limit for execution

Returns​

  1. Object - Signing parameters: 1.1. signature : Object - corresponding signature for signed documented 1.1.1. pub_key : Object - public key for keypair 1.1.1.1: type : STRING - type of public key 1.1.1.2: value : STRING - value of public key 1.1.2. signature: STRING - corresponding signature for signed documented 1.2. signed : Object - Signed document: 1.2.2. chain_id : STRING - identifier of blockchain 1.2.1. account_number : STRING - blockchain account number 1.2.3. sequence : STRING - blockchain account sequence 1.2.4. memo : STRING - amino message memo 1.2.5. msgs : Array - array of amino messages to be signed: 1.2.5.1. Object - amino message object: 1.2.5.1.1. - type : STRING - amino message type 1.2.5.1.2. - value : STRING - amino message value 1.2.6. fee : Object - fee description object 1.2.6.1. amount : Array - array of currency fees: 1.2.6.1.1. Object - currency fee description object: 1.2.6.1.1.1. denom : STRING - currency denomination 1.2.6.1.1.2. amount : STRING - currency amount 1.2.6.2. gas : STRING - gas limit for execution

Example​

// Request
{
"id": 1,
"jsonrpc": "2.0",
"method": "cosmos_signAmino",
"params": {
"signerAddress": "cosmos1sguafvgmel6f880ryvq8efh9522p8zvmrzlcrq",
"signDoc": {
"chain_id": "foochain",
"account_number": "7",
"sequence": "54"
"memo": "hello, world",
"msgs": [],
"fee": { "amount": [], "gas": "23" }
}
}
}

// Result
{
"id": 1,
"jsonrpc": "2.0",
"result": {
"signature": {
"pub_key": {
"type": "tendermint/PubKeySecp256k1",
"value": "AgSEjOuOr991QlHCORRmdE5ahVKeyBrmtgoYepCpQGOW"
},
"signature": "AnTrXtS2lr9CBwhTpRa8ZlKcVR9PeIXGaTpvodyJU05QvRKVjIkQfOZl5JhdkfxCY+a6rhwCOYVcbKQTJlMw4w=="
},
"signed": {
"chain_id": "foochain",
"account_number": "7",
"sequence": "54"
"memo": "hello, world",
"msgs": [],
"fee": { "amount": [{"denom": "ufoo", "amount": "10000"}], "gas": "23" }
}
}
}