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add MerklePrefix::apply #28

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Merged
merged 1 commit into from
Jun 14, 2023
Merged

add MerklePrefix::apply #28

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13 changes: 13 additions & 0 deletions crates/ibc-types-core-commitment/src/prefix.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
use crate::prelude::*;
use crate::MerklePath;

use crate::Error;

Expand All @@ -10,6 +11,18 @@ pub struct MerklePrefix {
pub key_prefix: Vec<u8>,
}

impl MerklePrefix {
/// apply the prefix to the supplied paths
pub fn apply(&self, paths: Vec<String>) -> MerklePath {
let commitment_str =
core::str::from_utf8(&self.key_prefix).expect("commitment prefix is not valid utf-8");
let mut key_path: Vec<String> = vec![format!("{commitment_str:?}")];
key_path.append(paths.clone().as_mut());

MerklePath { key_path }
}
}

impl TypeUrl for MerklePrefix {
const TYPE_URL: &'static str = "/ibc.core.commitment.v1.MerklePrefix";
}
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