certusone
/
wormhole
mirror of https://github.com/certusone/wormhole.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

update claimed vaa doc

This commit is contained in:
Hendrik Hofstadt 2020-08-10 08:48:25 +02:00
parent 47464d7600
commit f54fc43118
2 changed files with 11 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
docs/solana_program.md
View File

@ -63,16 +63,16 @@ Deletes a `proposal` after the `VAA_EXPIRATION_TIME` to free up space on chain.
| 2 | bridge | BridgeConfig | | | | |
| 3 | proposal | TransferOutProposal | | ✅ | | ✅ |
#### EvictExecutedVAA
#### EvictClaimedVAA
Deletes a `ExecutedVAA` after the `VAA_EXPIRATION_TIME` to free up space on chain. This returns the rent to `guardian`.
Deletes a `ClaimedVAA` after the `VAA_EXPIRATION_TIME` to free up space on chain. This returns the rent to `guardian`.
| Index | Name | Type | signer | writeable | empty | derived |
| ----- | -------- | ------------------- | ------ | --------- | ----- | ------- |
| 0 | guardian | Account | ✅ | | | |
| 1 | clock | Sysvar | | | ️ | ✅ |
| 2 | bridge | BridgeConfig | | | | |
| 3 | proposal | ExecutedVAA | | ✅ | | ✅ |
| 3 | claim | ClaimedVAA | | ✅ | | ✅ |
#### CreateWrappedAsset
@ -152,15 +152,17 @@ This account tracks the configuration of the transfer bridge.
The program own the following types of accounts:
#### _ExecutedVAA_ Account
#### _ClaimedVAA_ Account
> Seed derivation: `executedvaa_<vaa_hash>`
> Seed derivation: `claim || <bridge> || <hash>`
>
> **vaa_hash**: Hash of the VAA
> **bridge**: Pubkey of the bridge
>
> **hash**: signing hash of the VAA
This account is created when a VAA is executed/consumed on Solana (i.e. not when a TransferOutProposal is approved).
It tracks a used VAA to protect from replay attacks where a VAA is executed multiple times. This account stays active
until the `VAA_EXPIRATION_TIME` has passed and can then be evicted using `IEvictExecutedVAA`.
until the `VAA_EXPIRATION_TIME` has passed and can then be evicted using `IEvictClaimedVAA`.
#### _GuardianSet_ Account
@ -234,13 +236,3 @@ This account tracks the metadata about a wrapped asset to allow reverse lookups.
This account is an instance of `spl-token/TokenAccount` and holds spl tokens in custody that have been transferred to a
foreign chain.
#### _ClaimedVAA_ Account
> Seed derivation: `claim || <bridge> || <hash>`
>
> **bridge**: Pubkey of the bridge
>
> **hash**: signing hash of the VAA
This account tracks a claimed VAA to prevent replay attacks.

4
solana/bridge/src/instruction.rs
View File

@ -103,7 +103,7 @@ pub enum BridgeInstruction {
/// Deletes a `ExecutedVAA` after the `VAA_EXPIRATION_TIME` is over to free up space on chain.
/// This returns the rent to the sender.
EvictExecutedVAA(),
EvictClaimedVAA(),
/// Creates a new wrapped asset
CreateWrapped(AssetMeta),
@ -171,7 +171,7 @@ impl BridgeInstruction {
Self::EvictTransferOut() => {
output[0] = 3;
}
Self::EvictExecutedVAA() => {
Self::EvictClaimedVAA() => {
output[0] = 4;
}
Self::CreateWrapped(meta) => {