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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,50 +1,56 @@ | ||
use std::str::FromStr; | ||
|
||
use crate::xdr::{self, AlphaNum12, AlphaNum4, AssetCode}; | ||
use crate::{ | ||
config::{address, locator}, | ||
xdr::{self, AlphaNum12, AlphaNum4, AssetCode}, | ||
}; | ||
|
||
#[derive(Clone, Debug)] | ||
pub struct Asset(pub xdr::Asset); | ||
pub enum Asset { | ||
Asset(AssetCode, address::UnresolvedMuxedAccount), | ||
Native, | ||
} | ||
|
||
#[derive(thiserror::Error, Debug)] | ||
pub enum Error { | ||
#[error("cannot parse asset: {0}, expected format: 'native' or 'code:issuer'")] | ||
CannotParseAsset(String), | ||
|
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#[error(transparent)] | ||
Xdr(#[from] xdr::Error), | ||
#[error(transparent)] | ||
Address(#[from] address::Error), | ||
} | ||
|
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impl FromStr for Asset { | ||
type Err = Error; | ||
|
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fn from_str(value: &str) -> Result<Self, Self::Err> { | ||
if value == "native" { | ||
return Ok(Asset(xdr::Asset::Native)); | ||
return Ok(Asset::Native); | ||
} | ||
let mut iter = value.splitn(2, ':'); | ||
let (Some(code), Some(issuer), None) = (iter.next(), iter.next(), iter.next()) else { | ||
return Err(Error::CannotParseAsset(value.to_string())); | ||
}; | ||
let issuer = issuer.parse()?; | ||
Ok(Asset(match code.parse()? { | ||
AssetCode::CreditAlphanum4(asset_code) => { | ||
xdr::Asset::CreditAlphanum4(AlphaNum4 { asset_code, issuer }) | ||
} | ||
AssetCode::CreditAlphanum12(asset_code) => { | ||
xdr::Asset::CreditAlphanum12(AlphaNum12 { asset_code, issuer }) | ||
} | ||
})) | ||
Ok(Asset::Asset(code.parse()?, issuer.parse()?)) | ||
} | ||
} | ||
|
||
impl From<Asset> for xdr::Asset { | ||
fn from(builder: Asset) -> Self { | ||
builder.0 | ||
} | ||
} | ||
|
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impl From<&Asset> for xdr::Asset { | ||
fn from(builder: &Asset) -> Self { | ||
builder.clone().into() | ||
impl Asset { | ||
pub fn resolve(&self, locator: &locator::Args) -> Result<xdr::Asset, Error> { | ||
Ok(match self { | ||
Asset::Asset(code, issuer) => { | ||
let issuer = issuer.resolve_muxed_account(locator, None)?.account_id(); | ||
match code.clone() { | ||
AssetCode::CreditAlphanum4(asset_code) => { | ||
xdr::Asset::CreditAlphanum4(AlphaNum4 { asset_code, issuer }) | ||
} | ||
AssetCode::CreditAlphanum12(asset_code) => { | ||
xdr::Asset::CreditAlphanum12(AlphaNum12 { asset_code, issuer }) | ||
} | ||
} | ||
} | ||
Asset::Native => xdr::Asset::Native, | ||
}) | ||
} | ||
} |
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