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Background
We need a RPC endpoint similar to
eth_getProof
. See motivation here.Overall design
The output format of SMT (sparse merkle tree) proof will be slightly different from MPT proof. There are three major differences:
https://hackmd.io/mZJIAVWXS9GtARxaIBNsbA
Sample output
Query for account 0x7bd831cae4406bfff37cdb73e9664e8b73969730 in Cardona testnet.
Output
<\details>