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Token transfer_checked wrapper #2351

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merged 2 commits into from
Jan 4, 2023
Merged

Token transfer_checked wrapper #2351

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26f662a
Added token::transfer_checked wrapper to token
barelooksrare Jan 2, 2023
fec296f
Merge branch 'coral-xyz:master' into spl_token_transfer_checked
barelooksrare Jan 4, 2023
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35 changes: 35 additions & 0 deletions spl/src/token.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,33 @@ pub fn transfer<'a, 'b, 'c, 'info>(
.map_err(Into::into)
}

pub fn transfer_checked<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, TransferChecked<'info>>,
amount: u64,
decimals: u8,
) -> Result<()> {
let ix = spl_token::instruction::transfer_checked(
&spl_token::ID,
ctx.accounts.from.key,
ctx.accounts.mint.key,
ctx.accounts.to.key,
ctx.accounts.authority.key,
&[],
amount,
decimals
)?;
solana_program::program::invoke_signed(
&ix, &[
ctx.accounts.from.clone(),
ctx.accounts.mint.clone(),
ctx.accounts.to.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds
)
.map_err(Into::into)
}

pub fn mint_to<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, MintTo<'info>>,
amount: u64,
Expand Down Expand Up @@ -307,6 +334,14 @@ pub struct Transfer<'info> {
pub authority: AccountInfo<'info>,
}

#[derive(Accounts)]
pub struct TransferChecked<'info> {
pub from: AccountInfo<'info>,
pub mint: AccountInfo<'info>,
pub to: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}

#[derive(Accounts)]
pub struct MintTo<'info> {
pub mint: AccountInfo<'info>,
Expand Down