anchor/lang/syn/src/parser/accounts/constraints.rs

1135 lines
41 KiB
Rust

use crate::*;
use syn::ext::IdentExt;
use syn::parse::{Error as ParseError, Parse, ParseStream, Result as ParseResult};
use syn::punctuated::Punctuated;
use syn::spanned::Spanned;
use syn::token::Comma;
use syn::{bracketed, Expr, Ident, LitStr, Token};
pub fn parse(f: &syn::Field, f_ty: Option<&Ty>) -> ParseResult<ConstraintGroup> {
let mut constraints = ConstraintGroupBuilder::new(f_ty);
for attr in f.attrs.iter().filter(is_account) {
for c in attr.parse_args_with(Punctuated::<ConstraintToken, Comma>::parse_terminated)? {
constraints.add(c)?;
}
}
let account_constraints = constraints.build()?;
Ok(account_constraints)
}
pub fn is_account(attr: &&syn::Attribute) -> bool {
attr.path
.get_ident()
.map_or(false, |ident| ident == "account")
}
// Parses a single constraint from a parse stream for `#[account(<STREAM>)]`.
pub fn parse_token(stream: ParseStream) -> ParseResult<ConstraintToken> {
let is_lit = stream.peek(LitStr);
if is_lit {
let lit: LitStr = stream.parse()?;
let c = ConstraintToken::Literal(Context::new(lit.span(), ConstraintLiteral { lit }));
return Ok(c);
}
let ident = stream.call(Ident::parse_any)?;
let kw = ident.to_string();
let c = match kw.as_str() {
"init" => ConstraintToken::Init(Context::new(
ident.span(),
ConstraintInit { if_needed: false },
)),
"init_if_needed" => ConstraintToken::Init(Context::new(
ident.span(),
ConstraintInit { if_needed: true },
)),
"zero" => ConstraintToken::Zeroed(Context::new(ident.span(), ConstraintZeroed {})),
"mut" => ConstraintToken::Mut(Context::new(
ident.span(),
ConstraintMut {
error: parse_optional_custom_error(&stream)?,
},
)),
"signer" => ConstraintToken::Signer(Context::new(
ident.span(),
ConstraintSigner {
error: parse_optional_custom_error(&stream)?,
},
)),
"executable" => {
ConstraintToken::Executable(Context::new(ident.span(), ConstraintExecutable {}))
}
"mint" => {
stream.parse::<Token![:]>()?;
stream.parse::<Token![:]>()?;
let kw = stream.call(Ident::parse_any)?.to_string();
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
match kw.as_str() {
"authority" => ConstraintToken::MintAuthority(Context::new(
span,
ConstraintMintAuthority {
mint_auth: stream.parse()?,
},
)),
"freeze_authority" => ConstraintToken::MintFreezeAuthority(Context::new(
span,
ConstraintMintFreezeAuthority {
mint_freeze_auth: stream.parse()?,
},
)),
"decimals" => ConstraintToken::MintDecimals(Context::new(
span,
ConstraintMintDecimals {
decimals: stream.parse()?,
},
)),
_ => return Err(ParseError::new(ident.span(), "Invalid attribute")),
}
}
"token" => {
stream.parse::<Token![:]>()?;
stream.parse::<Token![:]>()?;
let kw = stream.call(Ident::parse_any)?.to_string();
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
match kw.as_str() {
"mint" => ConstraintToken::TokenMint(Context::new(
span,
ConstraintTokenMint {
mint: stream.parse()?,
},
)),
"authority" => ConstraintToken::TokenAuthority(Context::new(
span,
ConstraintTokenAuthority {
auth: stream.parse()?,
},
)),
_ => return Err(ParseError::new(ident.span(), "Invalid attribute")),
}
}
"associated_token" => {
stream.parse::<Token![:]>()?;
stream.parse::<Token![:]>()?;
let kw = stream.call(Ident::parse_any)?.to_string();
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
match kw.as_str() {
"mint" => ConstraintToken::AssociatedTokenMint(Context::new(
span,
ConstraintTokenMint {
mint: stream.parse()?,
},
)),
"authority" => ConstraintToken::AssociatedTokenAuthority(Context::new(
span,
ConstraintTokenAuthority {
auth: stream.parse()?,
},
)),
_ => return Err(ParseError::new(ident.span(), "Invalid attribute")),
}
}
"bump" => {
let bump = {
if stream.peek(Token![=]) {
stream.parse::<Token![=]>()?;
Some(stream.parse()?)
} else {
None
}
};
ConstraintToken::Bump(Context::new(ident.span(), ConstraintTokenBump { bump }))
}
"seeds" => {
if stream.peek(Token![:]) {
stream.parse::<Token![:]>()?;
stream.parse::<Token![:]>()?;
let kw = stream.call(Ident::parse_any)?.to_string();
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
match kw.as_str() {
"program" => ConstraintToken::ProgramSeed(Context::new(
span,
ConstraintProgramSeed {
program_seed: stream.parse()?,
},
)),
_ => return Err(ParseError::new(ident.span(), "Invalid attribute")),
}
} else {
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
let seeds;
let bracket = bracketed!(seeds in stream);
ConstraintToken::Seeds(Context::new(
span.join(bracket.span).unwrap_or(span),
ConstraintSeeds {
seeds: seeds.parse_terminated(Expr::parse)?,
},
))
}
}
"realloc" => {
if stream.peek(Token![=]) {
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
ConstraintToken::Realloc(Context::new(
span,
ConstraintRealloc {
space: stream.parse()?,
},
))
} else {
stream.parse::<Token![:]>()?;
stream.parse::<Token![:]>()?;
let kw = stream.call(Ident::parse_any)?.to_string();
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
match kw.as_str() {
"payer" => ConstraintToken::ReallocPayer(Context::new(
span,
ConstraintReallocPayer {
target: stream.parse()?,
},
)),
"zero" => ConstraintToken::ReallocZero(Context::new(
span,
ConstraintReallocZero {
zero: stream.parse()?,
},
)),
_ => return Err(ParseError::new(ident.span(), "Invalid attribute. realloc::payer and realloc::zero are the only valid attributes")),
}
}
}
_ => {
stream.parse::<Token![=]>()?;
let span = ident
.span()
.join(stream.span())
.unwrap_or_else(|| ident.span());
match kw.as_str() {
"has_one" => ConstraintToken::HasOne(Context::new(
span,
ConstraintHasOne {
join_target: stream.parse()?,
error: parse_optional_custom_error(&stream)?,
},
)),
"owner" => ConstraintToken::Owner(Context::new(
span,
ConstraintOwner {
owner_address: stream.parse()?,
error: parse_optional_custom_error(&stream)?,
},
)),
"rent_exempt" => ConstraintToken::RentExempt(Context::new(
span,
match stream.parse::<Ident>()?.to_string().as_str() {
"skip" => ConstraintRentExempt::Skip,
"enforce" => ConstraintRentExempt::Enforce,
_ => {
return Err(ParseError::new(
span,
"rent_exempt must be either skip or enforce",
))
}
},
)),
"payer" => ConstraintToken::Payer(Context::new(
span,
ConstraintPayer {
target: stream.parse()?,
},
)),
"space" => ConstraintToken::Space(Context::new(
span,
ConstraintSpace {
space: stream.parse()?,
},
)),
"constraint" => ConstraintToken::Raw(Context::new(
span,
ConstraintRaw {
raw: stream.parse()?,
error: parse_optional_custom_error(&stream)?,
},
)),
"close" => ConstraintToken::Close(Context::new(
span,
ConstraintClose {
sol_dest: stream.parse()?,
},
)),
"address" => ConstraintToken::Address(Context::new(
span,
ConstraintAddress {
address: stream.parse()?,
error: parse_optional_custom_error(&stream)?,
},
)),
_ => return Err(ParseError::new(ident.span(), "Invalid attribute")),
}
}
};
Ok(c)
}
fn parse_optional_custom_error(stream: &ParseStream) -> ParseResult<Option<Expr>> {
if stream.peek(Token![@]) {
stream.parse::<Token![@]>()?;
stream.parse().map(Some)
} else {
Ok(None)
}
}
#[derive(Default)]
pub struct ConstraintGroupBuilder<'ty> {
pub f_ty: Option<&'ty Ty>,
pub init: Option<Context<ConstraintInit>>,
pub zeroed: Option<Context<ConstraintZeroed>>,
pub mutable: Option<Context<ConstraintMut>>,
pub signer: Option<Context<ConstraintSigner>>,
pub has_one: Vec<Context<ConstraintHasOne>>,
pub literal: Vec<Context<ConstraintLiteral>>,
pub raw: Vec<Context<ConstraintRaw>>,
pub owner: Option<Context<ConstraintOwner>>,
pub rent_exempt: Option<Context<ConstraintRentExempt>>,
pub seeds: Option<Context<ConstraintSeeds>>,
pub executable: Option<Context<ConstraintExecutable>>,
pub payer: Option<Context<ConstraintPayer>>,
pub space: Option<Context<ConstraintSpace>>,
pub close: Option<Context<ConstraintClose>>,
pub address: Option<Context<ConstraintAddress>>,
pub token_mint: Option<Context<ConstraintTokenMint>>,
pub token_authority: Option<Context<ConstraintTokenAuthority>>,
pub associated_token_mint: Option<Context<ConstraintTokenMint>>,
pub associated_token_authority: Option<Context<ConstraintTokenAuthority>>,
pub mint_authority: Option<Context<ConstraintMintAuthority>>,
pub mint_freeze_authority: Option<Context<ConstraintMintFreezeAuthority>>,
pub mint_decimals: Option<Context<ConstraintMintDecimals>>,
pub bump: Option<Context<ConstraintTokenBump>>,
pub program_seed: Option<Context<ConstraintProgramSeed>>,
pub realloc: Option<Context<ConstraintRealloc>>,
pub realloc_payer: Option<Context<ConstraintReallocPayer>>,
pub realloc_zero: Option<Context<ConstraintReallocZero>>,
}
impl<'ty> ConstraintGroupBuilder<'ty> {
pub fn new(f_ty: Option<&'ty Ty>) -> Self {
Self {
f_ty,
init: None,
zeroed: None,
mutable: None,
signer: None,
has_one: Vec::new(),
literal: Vec::new(),
raw: Vec::new(),
owner: None,
rent_exempt: None,
seeds: None,
executable: None,
payer: None,
space: None,
close: None,
address: None,
token_mint: None,
token_authority: None,
associated_token_mint: None,
associated_token_authority: None,
mint_authority: None,
mint_freeze_authority: None,
mint_decimals: None,
bump: None,
program_seed: None,
realloc: None,
realloc_payer: None,
realloc_zero: None,
}
}
pub fn build(mut self) -> ParseResult<ConstraintGroup> {
// Init.
if let Some(i) = &self.init {
if cfg!(not(feature = "init-if-needed")) && i.if_needed {
return Err(ParseError::new(
i.span(),
"init_if_needed requires that anchor-lang be imported \
with the init-if-needed cargo feature enabled. \
Carefully read the init_if_needed docs before using this feature \
to make sure you know how to protect yourself against \
re-initialization attacks.",
));
}
match self.mutable {
Some(m) => {
return Err(ParseError::new(
m.span(),
"mut cannot be provided with init",
))
}
None => self
.mutable
.replace(Context::new(i.span(), ConstraintMut { error: None })),
};
// Rent exempt if not explicitly skipped.
if self.rent_exempt.is_none() {
self.rent_exempt
.replace(Context::new(i.span(), ConstraintRentExempt::Enforce));
}
if self.payer.is_none() {
return Err(ParseError::new(
i.span(),
"payer must be provided when initializing an account",
));
}
// When initializing a non-PDA account, the account being
// initialized must sign to invoke the system program's create
// account instruction.
if self.signer.is_none() && self.seeds.is_none() && self.associated_token_mint.is_none()
{
self.signer
.replace(Context::new(i.span(), ConstraintSigner { error: None }));
}
// Assert a bump target is not given on init.
if let Some(b) = &self.bump {
if b.bump.is_some() {
return Err(ParseError::new(
b.span(),
"bump targets should not be provided with init. Please use bump without a target."
));
}
}
// TokenAccount.
if let Some(token_mint) = &self.token_mint {
if self.token_authority.is_none() {
return Err(ParseError::new(
token_mint.span(),
"when initializing, token authority must be provided if token mint is",
));
}
}
if let Some(token_authority) = &self.token_authority {
if self.token_mint.is_none() {
return Err(ParseError::new(
token_authority.span(),
"when initializing, token mint must be provided if token authority is",
));
}
}
// Mint.
if let Some(mint_decimals) = &self.mint_decimals {
if self.mint_authority.is_none() {
return Err(ParseError::new(
mint_decimals.span(),
"when initializing, mint authority must be provided if mint decimals is",
));
}
}
if let Some(mint_authority) = &self.mint_authority {
if self.mint_decimals.is_none() {
return Err(ParseError::new(
mint_authority.span(),
"when initializing, mint decimals must be provided if mint authority is",
));
}
}
}
// Realloc.
if let Some(r) = &self.realloc {
if self.realloc_payer.is_none() {
return Err(ParseError::new(
r.span(),
"realloc::payer must be provided when using realloc",
));
}
if self.realloc_zero.is_none() {
return Err(ParseError::new(
r.span(),
"realloc::zero must be provided when using realloc",
));
}
}
// Zero.
if let Some(z) = &self.zeroed {
match self.mutable {
Some(m) => {
return Err(ParseError::new(
m.span(),
"mut cannot be provided with zeroed",
))
}
None => self
.mutable
.replace(Context::new(z.span(), ConstraintMut { error: None })),
};
// Rent exempt if not explicitly skipped.
if self.rent_exempt.is_none() {
self.rent_exempt
.replace(Context::new(z.span(), ConstraintRentExempt::Enforce));
}
}
// Seeds.
if let Some(i) = &self.seeds {
if self.init.is_some() && self.payer.is_none() {
return Err(ParseError::new(
i.span(),
"payer must be provided when creating a program derived address",
));
}
if self.bump.is_none() {
return Err(ParseError::new(
i.span(),
"bump must be provided with seeds",
));
}
}
// Space.
if let Some(i) = &self.init {
let initializing_token_program_acc = self.token_mint.is_some()
|| self.mint_authority.is_some()
|| self.token_authority.is_some()
|| self.associated_token_authority.is_some();
match (self.space.is_some(), initializing_token_program_acc) {
(true, true) => {
return Err(ParseError::new(
self.space.as_ref().unwrap().span(),
"space is not required for initializing an spl account",
));
}
(false, false) => {
return Err(ParseError::new(
i.span(),
"space must be provided with init",
));
}
_ => (),
}
}
let ConstraintGroupBuilder {
f_ty: _,
init,
zeroed,
mutable,
signer,
has_one,
literal,
raw,
owner,
rent_exempt,
seeds,
executable,
payer,
space,
close,
address,
token_mint,
token_authority,
associated_token_mint,
associated_token_authority,
mint_authority,
mint_freeze_authority,
mint_decimals,
bump,
program_seed,
realloc,
realloc_payer,
realloc_zero,
} = self;
// Converts Option<Context<T>> -> Option<T>.
macro_rules! into_inner {
($opt:ident) => {
$opt.map(|c| c.into_inner())
};
($opt:expr) => {
$opt.map(|c| c.into_inner())
};
}
// Converts Vec<Context<T>> - Vec<T>.
macro_rules! into_inner_vec {
($opt:ident) => {
$opt.into_iter().map(|c| c.into_inner()).collect()
};
}
let is_init = init.is_some();
let seeds = seeds.map(|c| ConstraintSeedsGroup {
is_init,
seeds: c.seeds.clone(),
bump: into_inner!(bump)
.map(|b| b.bump)
.expect("bump must be provided with seeds"),
program_seed: into_inner!(program_seed).map(|id| id.program_seed),
});
let associated_token = match (associated_token_mint, associated_token_authority) {
(Some(mint), Some(auth)) => Some(ConstraintAssociatedToken {
wallet: auth.into_inner().auth,
mint: mint.into_inner().mint,
}),
(Some(mint), None) => return Err(ParseError::new(
mint.span(),
"authority must be provided to specify an associated token program derived address",
)),
(None, Some(auth)) => {
return Err(ParseError::new(
auth.span(),
"mint must be provided to specify an associated token program derived address",
))
}
_ => None,
};
if let Some(associated_token) = &associated_token {
if seeds.is_some() {
return Err(ParseError::new(
associated_token.mint.span(),
"'associated_token' constraints cannot be used with the 'seeds' constraint",
));
}
}
let token_account = match (&token_mint, &token_authority) {
(None, None) => None,
_ => Some(ConstraintTokenAccountGroup {
mint: token_mint.as_ref().map(|a| a.clone().into_inner().mint),
authority: token_authority
.as_ref()
.map(|a| a.clone().into_inner().auth),
}),
};
let mint = match (&mint_decimals, &mint_authority, &mint_freeze_authority) {
(None, None, None) => None,
_ => Some(ConstraintTokenMintGroup {
decimals: mint_decimals
.as_ref()
.map(|a| a.clone().into_inner().decimals),
mint_authority: mint_authority
.as_ref()
.map(|a| a.clone().into_inner().mint_auth),
freeze_authority: mint_freeze_authority
.as_ref()
.map(|a| a.clone().into_inner().mint_freeze_auth),
}),
};
Ok(ConstraintGroup {
init: init.as_ref().map(|i| Ok(ConstraintInitGroup {
if_needed: i.if_needed,
seeds: seeds.clone(),
payer: into_inner!(payer.clone()).unwrap().target,
space: space.clone().map(|s| s.space.clone()),
kind: if let Some(tm) = &token_mint {
InitKind::Token {
mint: tm.clone().into_inner().mint,
owner: match &token_authority {
Some(a) => a.clone().into_inner().auth,
None => return Err(ParseError::new(
tm.span(),
"authority must be provided to initialize a token program derived address"
)),
},
}
} else if let Some(at) = &associated_token {
InitKind::AssociatedToken {
mint: at.mint.clone(),
owner: at.wallet.clone()
}
} else if let Some(d) = &mint_decimals {
InitKind::Mint {
decimals: d.clone().into_inner().decimals,
owner: match &mint_authority {
Some(a) => a.clone().into_inner().mint_auth,
None => return Err(ParseError::new(
d.span(),
"authority must be provided to initialize a mint program derived address"
))
},
freeze_authority: mint_freeze_authority.map(|fa| fa.into_inner().mint_freeze_auth)
}
} else {
InitKind::Program {
owner: owner.as_ref().map(|o| o.owner_address.clone()),
}
},
})).transpose()?,
realloc: realloc.as_ref().map(|r| ConstraintReallocGroup {
payer: into_inner!(realloc_payer).unwrap().target,
space: r.space.clone(),
zero: into_inner!(realloc_zero).unwrap().zero,
}),
zeroed: into_inner!(zeroed),
mutable: into_inner!(mutable),
signer: into_inner!(signer),
has_one: into_inner_vec!(has_one),
literal: into_inner_vec!(literal),
raw: into_inner_vec!(raw),
owner: into_inner!(owner),
rent_exempt: into_inner!(rent_exempt),
executable: into_inner!(executable),
close: into_inner!(close),
address: into_inner!(address),
associated_token: if !is_init { associated_token } else { None },
seeds,
token_account: if !is_init {token_account} else {None},
mint: if !is_init {mint} else {None},
})
}
pub fn add(&mut self, c: ConstraintToken) -> ParseResult<()> {
match c {
ConstraintToken::Init(c) => self.add_init(c),
ConstraintToken::Zeroed(c) => self.add_zeroed(c),
ConstraintToken::Mut(c) => self.add_mut(c),
ConstraintToken::Signer(c) => self.add_signer(c),
ConstraintToken::HasOne(c) => self.add_has_one(c),
ConstraintToken::Literal(c) => self.add_literal(c),
ConstraintToken::Raw(c) => self.add_raw(c),
ConstraintToken::Owner(c) => self.add_owner(c),
ConstraintToken::RentExempt(c) => self.add_rent_exempt(c),
ConstraintToken::Seeds(c) => self.add_seeds(c),
ConstraintToken::Executable(c) => self.add_executable(c),
ConstraintToken::Payer(c) => self.add_payer(c),
ConstraintToken::Space(c) => self.add_space(c),
ConstraintToken::Close(c) => self.add_close(c),
ConstraintToken::Address(c) => self.add_address(c),
ConstraintToken::TokenAuthority(c) => self.add_token_authority(c),
ConstraintToken::TokenMint(c) => self.add_token_mint(c),
ConstraintToken::AssociatedTokenAuthority(c) => self.add_associated_token_authority(c),
ConstraintToken::AssociatedTokenMint(c) => self.add_associated_token_mint(c),
ConstraintToken::MintAuthority(c) => self.add_mint_authority(c),
ConstraintToken::MintFreezeAuthority(c) => self.add_mint_freeze_authority(c),
ConstraintToken::MintDecimals(c) => self.add_mint_decimals(c),
ConstraintToken::Bump(c) => self.add_bump(c),
ConstraintToken::ProgramSeed(c) => self.add_program_seed(c),
ConstraintToken::Realloc(c) => self.add_realloc(c),
ConstraintToken::ReallocPayer(c) => self.add_realloc_payer(c),
ConstraintToken::ReallocZero(c) => self.add_realloc_zero(c),
}
}
fn add_init(&mut self, c: Context<ConstraintInit>) -> ParseResult<()> {
if self.init.is_some() {
return Err(ParseError::new(c.span(), "init already provided"));
}
if self.zeroed.is_some() {
return Err(ParseError::new(c.span(), "zeroed already provided"));
}
if self.token_mint.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before token mint",
));
}
if self.token_authority.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before token authority",
));
}
if self.mint_authority.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before mint authority",
));
}
if self.mint_freeze_authority.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before mint freeze authority",
));
}
if self.mint_decimals.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before mint decimals",
));
}
if self.associated_token_mint.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before associated token mint",
));
}
if self.associated_token_authority.is_some() {
return Err(ParseError::new(
c.span(),
"init must be provided before associated token authority",
));
}
self.init.replace(c);
Ok(())
}
fn add_zeroed(&mut self, c: Context<ConstraintZeroed>) -> ParseResult<()> {
if self.zeroed.is_some() {
return Err(ParseError::new(c.span(), "zeroed already provided"));
}
if self.init.is_some() {
return Err(ParseError::new(c.span(), "init already provided"));
}
self.zeroed.replace(c);
Ok(())
}
fn add_realloc(&mut self, c: Context<ConstraintRealloc>) -> ParseResult<()> {
if !matches!(self.f_ty, Some(Ty::Account(_)))
&& !matches!(self.f_ty, Some(Ty::AccountLoader(_)))
{
return Err(ParseError::new(
c.span(),
"realloc must be on an Account or AccountLoader",
));
}
if self.mutable.is_none() {
return Err(ParseError::new(
c.span(),
"mut must be provided before realloc",
));
}
if self.realloc.is_some() {
return Err(ParseError::new(c.span(), "realloc already provided"));
}
self.realloc.replace(c);
Ok(())
}
fn add_realloc_payer(&mut self, c: Context<ConstraintReallocPayer>) -> ParseResult<()> {
if self.realloc.is_none() {
return Err(ParseError::new(
c.span(),
"realloc must be provided before realloc::payer",
));
}
if self.realloc_payer.is_some() {
return Err(ParseError::new(c.span(), "realloc::payer already provided"));
}
self.realloc_payer.replace(c);
Ok(())
}
fn add_realloc_zero(&mut self, c: Context<ConstraintReallocZero>) -> ParseResult<()> {
if self.realloc.is_none() {
return Err(ParseError::new(
c.span(),
"realloc must be provided before realloc::zero",
));
}
if self.realloc_zero.is_some() {
return Err(ParseError::new(c.span(), "realloc::zero already provided"));
}
self.realloc_zero.replace(c);
Ok(())
}
fn add_close(&mut self, c: Context<ConstraintClose>) -> ParseResult<()> {
if !matches!(self.f_ty, Some(Ty::ProgramAccount(_)))
&& !matches!(self.f_ty, Some(Ty::Account(_)))
&& !matches!(self.f_ty, Some(Ty::Loader(_)))
&& !matches!(self.f_ty, Some(Ty::AccountLoader(_)))
{
return Err(ParseError::new(
c.span(),
"close must be on an Account, ProgramAccount, or Loader",
));
}
if self.mutable.is_none() {
return Err(ParseError::new(
c.span(),
"mut must be provided before close",
));
}
if self.close.is_some() {
return Err(ParseError::new(c.span(), "close already provided"));
}
self.close.replace(c);
Ok(())
}
fn add_address(&mut self, c: Context<ConstraintAddress>) -> ParseResult<()> {
if self.address.is_some() {
return Err(ParseError::new(c.span(), "address already provided"));
}
self.address.replace(c);
Ok(())
}
fn add_token_mint(&mut self, c: Context<ConstraintTokenMint>) -> ParseResult<()> {
if self.token_mint.is_some() {
return Err(ParseError::new(c.span(), "token mint already provided"));
}
if self.associated_token_mint.is_some() {
return Err(ParseError::new(
c.span(),
"associated token mint already provided",
));
}
self.token_mint.replace(c);
Ok(())
}
fn add_associated_token_mint(&mut self, c: Context<ConstraintTokenMint>) -> ParseResult<()> {
if self.associated_token_mint.is_some() {
return Err(ParseError::new(
c.span(),
"associated token mint already provided",
));
}
if self.token_mint.is_some() {
return Err(ParseError::new(c.span(), "token mint already provided"));
}
self.associated_token_mint.replace(c);
Ok(())
}
fn add_bump(&mut self, c: Context<ConstraintTokenBump>) -> ParseResult<()> {
if self.bump.is_some() {
return Err(ParseError::new(c.span(), "bump already provided"));
}
if self.seeds.is_none() {
return Err(ParseError::new(
c.span(),
"seeds must be provided before bump",
));
}
self.bump.replace(c);
Ok(())
}
fn add_program_seed(&mut self, c: Context<ConstraintProgramSeed>) -> ParseResult<()> {
if self.program_seed.is_some() {
return Err(ParseError::new(c.span(), "seeds::program already provided"));
}
if self.seeds.is_none() {
return Err(ParseError::new(
c.span(),
"seeds must be provided before seeds::program",
));
}
if let Some(ref init) = self.init {
if init.if_needed {
return Err(ParseError::new(
c.span(),
"seeds::program cannot be used with init_if_needed",
));
} else {
return Err(ParseError::new(
c.span(),
"seeds::program cannot be used with init",
));
}
}
self.program_seed.replace(c);
Ok(())
}
fn add_token_authority(&mut self, c: Context<ConstraintTokenAuthority>) -> ParseResult<()> {
if self.token_authority.is_some() {
return Err(ParseError::new(
c.span(),
"token authority already provided",
));
}
self.token_authority.replace(c);
Ok(())
}
fn add_associated_token_authority(
&mut self,
c: Context<ConstraintTokenAuthority>,
) -> ParseResult<()> {
if self.associated_token_authority.is_some() {
return Err(ParseError::new(
c.span(),
"associated token authority already provided",
));
}
if self.token_authority.is_some() {
return Err(ParseError::new(
c.span(),
"token authority already provided",
));
}
self.associated_token_authority.replace(c);
Ok(())
}
fn add_mint_authority(&mut self, c: Context<ConstraintMintAuthority>) -> ParseResult<()> {
if self.mint_authority.is_some() {
return Err(ParseError::new(c.span(), "mint authority already provided"));
}
self.mint_authority.replace(c);
Ok(())
}
fn add_mint_freeze_authority(
&mut self,
c: Context<ConstraintMintFreezeAuthority>,
) -> ParseResult<()> {
if self.mint_freeze_authority.is_some() {
return Err(ParseError::new(
c.span(),
"mint freeze_authority already provided",
));
}
self.mint_freeze_authority.replace(c);
Ok(())
}
fn add_mint_decimals(&mut self, c: Context<ConstraintMintDecimals>) -> ParseResult<()> {
if self.mint_decimals.is_some() {
return Err(ParseError::new(c.span(), "mint decimals already provided"));
}
self.mint_decimals.replace(c);
Ok(())
}
fn add_mut(&mut self, c: Context<ConstraintMut>) -> ParseResult<()> {
if self.mutable.is_some() {
return Err(ParseError::new(c.span(), "mut already provided"));
}
self.mutable.replace(c);
Ok(())
}
fn add_signer(&mut self, c: Context<ConstraintSigner>) -> ParseResult<()> {
if self.signer.is_some() {
return Err(ParseError::new(c.span(), "signer already provided"));
}
self.signer.replace(c);
Ok(())
}
fn add_has_one(&mut self, c: Context<ConstraintHasOne>) -> ParseResult<()> {
if self
.has_one
.iter()
.filter(|item| item.join_target == c.join_target)
.count()
> 0
{
return Err(ParseError::new(c.span(), "has_one target already provided"));
}
self.has_one.push(c);
Ok(())
}
fn add_literal(&mut self, c: Context<ConstraintLiteral>) -> ParseResult<()> {
self.literal.push(c);
Ok(())
}
fn add_raw(&mut self, c: Context<ConstraintRaw>) -> ParseResult<()> {
self.raw.push(c);
Ok(())
}
fn add_owner(&mut self, c: Context<ConstraintOwner>) -> ParseResult<()> {
if self.owner.is_some() {
return Err(ParseError::new(c.span(), "owner already provided"));
}
self.owner.replace(c);
Ok(())
}
fn add_rent_exempt(&mut self, c: Context<ConstraintRentExempt>) -> ParseResult<()> {
if self.rent_exempt.is_some() {
return Err(ParseError::new(c.span(), "rent already provided"));
}
self.rent_exempt.replace(c);
Ok(())
}
fn add_seeds(&mut self, c: Context<ConstraintSeeds>) -> ParseResult<()> {
if self.seeds.is_some() {
return Err(ParseError::new(c.span(), "seeds already provided"));
}
self.seeds.replace(c);
Ok(())
}
fn add_executable(&mut self, c: Context<ConstraintExecutable>) -> ParseResult<()> {
if self.executable.is_some() {
return Err(ParseError::new(c.span(), "executable already provided"));
}
self.executable.replace(c);
Ok(())
}
fn add_payer(&mut self, c: Context<ConstraintPayer>) -> ParseResult<()> {
if self.init.is_none() {
return Err(ParseError::new(
c.span(),
"init must be provided before payer",
));
}
if self.payer.is_some() {
return Err(ParseError::new(c.span(), "payer already provided"));
}
self.payer.replace(c);
Ok(())
}
fn add_space(&mut self, c: Context<ConstraintSpace>) -> ParseResult<()> {
if self.init.is_none() {
return Err(ParseError::new(
c.span(),
"init must be provided before space",
));
}
if self.space.is_some() {
return Err(ParseError::new(c.span(), "space already provided"));
}
self.space.replace(c);
Ok(())
}
}