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Cosmos's ADR 036 Arbitrary Message Signature Specification allows to easily sign offchain messages and can be very helpful integrating aleph with cosmos chains
Instead of using a hardcoded msg structure and chain-id as (current):
pyaleph/src/aleph/chains/cosmos.py
Line 21 in deaa4c3
We can abide by ADR 036 and follow it's structure which is very much similar to current one
Hence yielding a transaction like this
{
"type": "cosmos-sdk/StdTx",
"value": {
"msg": [
{
"type": "sign/MsgSignData",
"value": {
"signer": "cosmos1hftz5ugqmpg9243xeegsqqav62f8hnywsjr4xr",
"data": "cmFuZG9t"
}
}
],
"fee": {
"amount": [],
"gas": "0"
},
"signatures": [
{
"pub_key": {
"type": "tendermint/PubKeySecp256k1",
"value": "AqnDSiRoFmTPfq97xxEb2VkQ/Hm28cPsqsZm9jEVsYK9"
},
"signature": "8y8i34qJakkjse9pOD2De+dnlc4KvFgh0wQpes4eydN66D9kv7cmCEouRrkka9tlW9cAkIL52ErB+6ye7X5aEg=="
}
],
"memo": ""
}
}Metadata
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