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Encode mint in token ID on Solana 

Change-Id: Ice9c2b64992e60bb8a0eb5d0a109043eda2d44ac
This commit is contained in:
Hendrik Hofstadt 2021-09-20 12:49:29 +02:00
parent 371c9b3dcc
commit 64b17d851a
3 changed files with 15 additions and 4 deletions
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8
solana/modules/nft_bridge/program/src/api/complete_transfer.rs
View File

@ -101,7 +101,13 @@ pub fn complete_native(
}
// Verify VAA
if accs.vaa.token_address != accs.mint.info().key.to_bytes() {
// Please refer to transfer.rs for why the token id is used to store the mint
if accs.vaa.token_address != [1u8; 32] {
return Err(InvalidMint.into());
}
let mut token_id_bytes = [0u8; 32];
accs.vaa.token_id.to_big_endian(&mut token_id_bytes);
if token_id_bytes != accs.mint.info().key.to_bytes() {
return Err(InvalidMint.into());
}
if accs.vaa.token_chain != CHAIN_ID_SOLANA {

7
solana/modules/nft_bridge/program/src/api/transfer.rs
View File

@ -187,15 +187,18 @@ pub fn transfer_native(
Metadata::from_account_info(accs.spl_metadata.info()).ok_or(InvalidMetadata)?;
// Post message
// Given there is no tokenID equivalent on Solana and each distinct token address is translated
// into a new contract on EVM based chains (which is costly), we use a static token_address
// and encode the mint in the token_id.
let payload = PayloadTransfer {
token_address: accs.mint.info().key.to_bytes(),
token_address: [1u8; 32],
token_chain: 1,
to: data.target_address,
to_chain: data.target_chain,
symbol: metadata.data.symbol,
name: metadata.data.name,
uri: metadata.data.uri,
token_id: U256::from(0), // TODO
token_id: U256::from_big_endian(&accs.mint.info().key.to_bytes()),
};
let params = (
bridge::instruction::Instruction::PostMessage,

4
solana/modules/nft_bridge/program/src/wasm.rs
View File

@ -168,6 +168,8 @@ pub fn complete_transfer_native_ix(
payload: vaa.payload,
};
let mut mint_bytes = [0u8; 32];
payload.token_id.to_big_endian(&mut mint_bytes);
let ix = complete_native(
program_id,
bridge_id,
@ -175,7 +177,7 @@ pub fn complete_transfer_native_ix(
message_key,
post_vaa_data,
to_authority,
Pubkey::new(&payload.token_address),
Pubkey::new(&mint_bytes),
CompleteNativeData {},
)
.unwrap();