Problem: missing support of nft

[leejw51crypto]

add nft api

[tomtau]

the best will be start with transaction generation -- so a good approach may be similar to CosmRS:

• add the "proto" crate with the raw types https://github.com/cosmos/cosmos-rust/tree/main/cosmos-sdk-proto (compiled by prost from chain-main submodule)
• add some high-level wrappers that implement this trait: https://docs.rs/cosmrs/0.3.0/cosmrs/tx/trait.Msg.html

e.g. see bank send: https://github.com/cosmos/cosmos-rust/blob/main/cosmrs/src/bank.rs#L37 https://github.com/cosmos/cosmos-rust/blob/main/cosmos-sdk-proto/src/prost/cosmos.bank.v1beta1.rs#L86

[damoncro]

I'll take care of this issue.

1. the basic nft messages (mint, issue denom, transfer…)
2. https://github.com/crypto-org-chain/chain-main/blob/master/proto/nft/v1/tx.proto

[leejw51crypto]

this is a big task, make sub tasks, start with generating nft messages with protobuf, serde_json