2021-05-30 12:59:33 -07:00
|
|
|
use crate::{
|
2021-06-09 15:40:43 -07:00
|
|
|
CompositeField, Constraint, ConstraintAssociatedGroup, ConstraintBelongsTo, ConstraintClose,
|
2021-05-30 12:59:33 -07:00
|
|
|
ConstraintExecutable, ConstraintGroup, ConstraintInit, ConstraintLiteral, ConstraintMut,
|
2021-06-15 17:15:51 -07:00
|
|
|
ConstraintOwner, ConstraintRaw, ConstraintRentExempt, ConstraintSeedsGroup, ConstraintSigner,
|
2021-05-30 12:59:33 -07:00
|
|
|
ConstraintState, Field, Ty,
|
|
|
|
};
|
2021-06-27 09:50:54 -07:00
|
|
|
use proc_macro2_diagnostics::SpanDiagnosticExt;
|
2021-05-30 12:59:33 -07:00
|
|
|
use quote::quote;
|
2021-06-15 17:15:51 -07:00
|
|
|
use syn::LitInt;
|
2021-05-30 12:59:33 -07:00
|
|
|
|
|
|
|
pub fn generate(f: &Field) -> proc_macro2::TokenStream {
|
|
|
|
let checks: Vec<proc_macro2::TokenStream> = linearize(&f.constraints)
|
|
|
|
.iter()
|
|
|
|
.map(|c| generate_constraint(f, c))
|
|
|
|
.collect();
|
|
|
|
quote! {
|
|
|
|
#(#checks)*
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_composite(f: &CompositeField) -> proc_macro2::TokenStream {
|
|
|
|
let checks: Vec<proc_macro2::TokenStream> = linearize(&f.constraints)
|
|
|
|
.iter()
|
|
|
|
.filter_map(|c| match c {
|
|
|
|
Constraint::Raw(_) => Some(c),
|
|
|
|
Constraint::Literal(_) => Some(c),
|
|
|
|
_ => panic!("Invariant violation: composite constraints can only be raw or literals"),
|
|
|
|
})
|
|
|
|
.map(|c| generate_constraint_composite(f, c))
|
|
|
|
.collect();
|
|
|
|
quote! {
|
|
|
|
#(#checks)*
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Linearizes the constraint group so that constraints with dependencies
|
|
|
|
// run after those without.
|
|
|
|
//
|
|
|
|
// The associated cosntraint should always be first since it may also create
|
|
|
|
// an account with a PDA.
|
|
|
|
pub fn linearize(c_group: &ConstraintGroup) -> Vec<Constraint> {
|
|
|
|
let ConstraintGroup {
|
|
|
|
init,
|
|
|
|
mutable,
|
|
|
|
signer,
|
|
|
|
belongs_to,
|
|
|
|
literal,
|
|
|
|
raw,
|
|
|
|
owner,
|
|
|
|
rent_exempt,
|
|
|
|
seeds,
|
|
|
|
executable,
|
|
|
|
state,
|
|
|
|
associated,
|
2021-06-09 15:40:43 -07:00
|
|
|
close,
|
2021-05-30 12:59:33 -07:00
|
|
|
} = c_group.clone();
|
|
|
|
|
|
|
|
let mut constraints = Vec::new();
|
|
|
|
|
|
|
|
if let Some(c) = associated {
|
|
|
|
constraints.push(Constraint::AssociatedGroup(c));
|
|
|
|
}
|
2021-06-15 17:15:51 -07:00
|
|
|
if let Some(c) = seeds {
|
|
|
|
constraints.push(Constraint::Seeds(c));
|
|
|
|
}
|
2021-05-30 12:59:33 -07:00
|
|
|
if let Some(c) = init {
|
|
|
|
constraints.push(Constraint::Init(c));
|
|
|
|
}
|
|
|
|
if let Some(c) = mutable {
|
|
|
|
constraints.push(Constraint::Mut(c));
|
|
|
|
}
|
|
|
|
if let Some(c) = signer {
|
|
|
|
constraints.push(Constraint::Signer(c));
|
|
|
|
}
|
|
|
|
constraints.append(
|
|
|
|
&mut belongs_to
|
|
|
|
.into_iter()
|
|
|
|
.map(|c| Constraint::BelongsTo(c))
|
|
|
|
.collect(),
|
|
|
|
);
|
|
|
|
constraints.append(
|
|
|
|
&mut literal
|
|
|
|
.into_iter()
|
|
|
|
.map(|c| Constraint::Literal(c))
|
|
|
|
.collect(),
|
|
|
|
);
|
|
|
|
constraints.append(&mut raw.into_iter().map(|c| Constraint::Raw(c)).collect());
|
|
|
|
if let Some(c) = owner {
|
|
|
|
constraints.push(Constraint::Owner(c));
|
|
|
|
}
|
|
|
|
if let Some(c) = rent_exempt {
|
|
|
|
constraints.push(Constraint::RentExempt(c));
|
|
|
|
}
|
|
|
|
if let Some(c) = executable {
|
|
|
|
constraints.push(Constraint::Executable(c));
|
|
|
|
}
|
|
|
|
if let Some(c) = state {
|
|
|
|
constraints.push(Constraint::State(c));
|
|
|
|
}
|
2021-06-09 15:40:43 -07:00
|
|
|
if let Some(c) = close {
|
|
|
|
constraints.push(Constraint::Close(c));
|
|
|
|
}
|
2021-05-30 12:59:33 -07:00
|
|
|
constraints
|
|
|
|
}
|
|
|
|
|
|
|
|
fn generate_constraint(f: &Field, c: &Constraint) -> proc_macro2::TokenStream {
|
|
|
|
match c {
|
|
|
|
Constraint::Init(c) => generate_constraint_init(f, c),
|
|
|
|
Constraint::Mut(c) => generate_constraint_mut(f, c),
|
|
|
|
Constraint::BelongsTo(c) => generate_constraint_belongs_to(f, c),
|
|
|
|
Constraint::Signer(c) => generate_constraint_signer(f, c),
|
|
|
|
Constraint::Literal(c) => generate_constraint_literal(c),
|
|
|
|
Constraint::Raw(c) => generate_constraint_raw(c),
|
|
|
|
Constraint::Owner(c) => generate_constraint_owner(f, c),
|
|
|
|
Constraint::RentExempt(c) => generate_constraint_rent_exempt(f, c),
|
|
|
|
Constraint::Seeds(c) => generate_constraint_seeds(f, c),
|
|
|
|
Constraint::Executable(c) => generate_constraint_executable(f, c),
|
|
|
|
Constraint::State(c) => generate_constraint_state(f, c),
|
|
|
|
Constraint::AssociatedGroup(c) => generate_constraint_associated(f, c),
|
2021-06-09 15:40:43 -07:00
|
|
|
Constraint::Close(c) => generate_constraint_close(f, c),
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn generate_constraint_composite(_f: &CompositeField, c: &Constraint) -> proc_macro2::TokenStream {
|
|
|
|
match c {
|
|
|
|
Constraint::Raw(c) => generate_constraint_raw(c),
|
|
|
|
Constraint::Literal(c) => generate_constraint_literal(c),
|
|
|
|
_ => panic!("Invariant violation"),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_init(_f: &Field, _c: &ConstraintInit) -> proc_macro2::TokenStream {
|
|
|
|
quote! {}
|
|
|
|
}
|
|
|
|
|
2021-06-09 15:40:43 -07:00
|
|
|
pub fn generate_constraint_close(f: &Field, c: &ConstraintClose) -> proc_macro2::TokenStream {
|
|
|
|
let field = &f.ident;
|
|
|
|
let target = &c.sol_dest;
|
|
|
|
quote! {
|
|
|
|
if #field.to_account_info().key == #target.to_account_info().key {
|
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintClose.into());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-05-30 12:59:33 -07:00
|
|
|
pub fn generate_constraint_mut(f: &Field, _c: &ConstraintMut) -> proc_macro2::TokenStream {
|
|
|
|
let ident = &f.ident;
|
|
|
|
quote! {
|
|
|
|
if !#ident.to_account_info().is_writable {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintMut.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_belongs_to(
|
|
|
|
f: &Field,
|
|
|
|
c: &ConstraintBelongsTo,
|
|
|
|
) -> proc_macro2::TokenStream {
|
|
|
|
let target = c.join_target.clone();
|
|
|
|
let ident = &f.ident;
|
|
|
|
let field = match &f.ty {
|
|
|
|
Ty::Loader(_) => quote! {#ident.load()?},
|
|
|
|
_ => quote! {#ident},
|
|
|
|
};
|
|
|
|
quote! {
|
|
|
|
if &#field.#target != #target.to_account_info().key {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintBelongsTo.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_signer(f: &Field, _c: &ConstraintSigner) -> proc_macro2::TokenStream {
|
|
|
|
let ident = &f.ident;
|
|
|
|
let info = match f.ty {
|
|
|
|
Ty::AccountInfo => quote! { #ident },
|
|
|
|
Ty::ProgramAccount(_) => quote! { #ident.to_account_info() },
|
|
|
|
_ => panic!("Invalid syntax: signer cannot be specified."),
|
|
|
|
};
|
|
|
|
quote! {
|
|
|
|
// Don't enforce on CPI, since usually a program is signing and so
|
|
|
|
// the `try_accounts` deserializatoin will fail *if* the one
|
|
|
|
// tries to manually invoke it.
|
|
|
|
//
|
|
|
|
// This check will be performed on the other end of the invocation.
|
|
|
|
if cfg!(not(feature = "cpi")) {
|
|
|
|
if !#info.to_account_info().is_signer {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintSigner.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_literal(c: &ConstraintLiteral) -> proc_macro2::TokenStream {
|
|
|
|
let lit: proc_macro2::TokenStream = {
|
|
|
|
let lit = &c.lit;
|
2021-06-27 09:50:54 -07:00
|
|
|
let constraint = lit.value().replace("\"", "");
|
|
|
|
let message = format!(
|
|
|
|
"Deprecated. Should be used with constraint: #[account(constraint = {})]",
|
|
|
|
constraint,
|
|
|
|
);
|
|
|
|
lit.span().warning(message).emit_as_item_tokens();
|
|
|
|
constraint.parse().unwrap()
|
2021-05-30 12:59:33 -07:00
|
|
|
};
|
|
|
|
quote! {
|
|
|
|
if !(#lit) {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::Deprecated.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_raw(c: &ConstraintRaw) -> proc_macro2::TokenStream {
|
|
|
|
let raw = &c.raw;
|
|
|
|
quote! {
|
|
|
|
if !(#raw) {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintRaw.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_owner(f: &Field, c: &ConstraintOwner) -> proc_macro2::TokenStream {
|
|
|
|
let ident = &f.ident;
|
|
|
|
let owner_target = c.owner_target.clone();
|
|
|
|
quote! {
|
|
|
|
if #ident.to_account_info().owner != #owner_target.to_account_info().key {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintOwner.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_rent_exempt(
|
|
|
|
f: &Field,
|
|
|
|
c: &ConstraintRentExempt,
|
|
|
|
) -> proc_macro2::TokenStream {
|
|
|
|
let ident = &f.ident;
|
|
|
|
let info = match f.ty {
|
|
|
|
Ty::AccountInfo => quote! { #ident },
|
|
|
|
Ty::ProgramAccount(_) => quote! { #ident.to_account_info() },
|
|
|
|
Ty::Loader(_) => quote! { #ident.to_account_info() },
|
|
|
|
_ => panic!("Invalid syntax: rent exemption cannot be specified."),
|
|
|
|
};
|
|
|
|
match c {
|
|
|
|
ConstraintRentExempt::Skip => quote! {},
|
|
|
|
ConstraintRentExempt::Enforce => quote! {
|
|
|
|
if !rent.is_exempt(#info.lamports(), #info.try_data_len()?) {
|
2021-06-09 13:02:50 -07:00
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintRentExempt.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-06-15 17:15:51 -07:00
|
|
|
pub fn generate_constraint_seeds(f: &Field, c: &ConstraintSeedsGroup) -> proc_macro2::TokenStream {
|
|
|
|
if c.is_init {
|
|
|
|
generate_constraint_seeds_init(f, c)
|
|
|
|
} else {
|
|
|
|
generate_constraint_seeds_address(f, c)
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-06-15 17:15:51 -07:00
|
|
|
fn generate_constraint_seeds_init(f: &Field, c: &ConstraintSeedsGroup) -> proc_macro2::TokenStream {
|
|
|
|
let payer = {
|
|
|
|
let p = &c.payer;
|
|
|
|
quote! {
|
|
|
|
let payer = #p.to_account_info();
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
2021-06-15 17:15:51 -07:00
|
|
|
};
|
|
|
|
let seeds_with_nonce = {
|
|
|
|
let s = &c.seeds;
|
|
|
|
let seeds_constraint = generate_constraint_seeds_address(f, c);
|
|
|
|
quote! {
|
|
|
|
#seeds_constraint
|
|
|
|
let seeds = [#s];
|
|
|
|
}
|
|
|
|
};
|
|
|
|
generate_pda(f, seeds_with_nonce, payer, &c.space, false)
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
|
2021-06-15 17:15:51 -07:00
|
|
|
fn generate_constraint_seeds_address(
|
|
|
|
f: &Field,
|
|
|
|
c: &ConstraintSeedsGroup,
|
|
|
|
) -> proc_macro2::TokenStream {
|
|
|
|
let name = &f.ident;
|
|
|
|
let seeds = &c.seeds;
|
2021-05-30 12:59:33 -07:00
|
|
|
quote! {
|
2021-06-15 17:15:51 -07:00
|
|
|
let __program_signer = Pubkey::create_program_address(
|
|
|
|
&[#seeds],
|
|
|
|
program_id,
|
|
|
|
).map_err(|_| anchor_lang::__private::ErrorCode::ConstraintSeeds)?;
|
|
|
|
if #name.to_account_info().key != &__program_signer {
|
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintSeeds.into());
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_associated(
|
|
|
|
f: &Field,
|
|
|
|
c: &ConstraintAssociatedGroup,
|
|
|
|
) -> proc_macro2::TokenStream {
|
|
|
|
if c.is_init {
|
|
|
|
generate_constraint_associated_init(f, c)
|
|
|
|
} else {
|
|
|
|
generate_constraint_associated_seeds(f, c)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_associated_init(
|
|
|
|
f: &Field,
|
|
|
|
c: &ConstraintAssociatedGroup,
|
|
|
|
) -> proc_macro2::TokenStream {
|
|
|
|
let associated_target = c.associated_target.clone();
|
2021-06-15 17:15:51 -07:00
|
|
|
let payer = match &c.payer {
|
|
|
|
None => quote! {
|
|
|
|
let payer = #associated_target.to_account_info();
|
|
|
|
},
|
|
|
|
Some(p) => quote! {
|
|
|
|
let payer = #p.to_account_info();
|
|
|
|
},
|
|
|
|
};
|
|
|
|
let associated_seeds_constraint = generate_constraint_associated_seeds(f, c);
|
2021-06-27 10:03:26 -07:00
|
|
|
let seeds_with_nonce = if c.associated_seeds.is_empty() {
|
|
|
|
quote! {
|
2021-06-15 17:15:51 -07:00
|
|
|
#associated_seeds_constraint
|
|
|
|
let seeds = [
|
|
|
|
&b"anchor"[..],
|
|
|
|
#associated_target.to_account_info().key.as_ref(),
|
|
|
|
&[nonce],
|
|
|
|
];
|
2021-06-27 10:03:26 -07:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
let seeds = to_seeds_tts(&c.associated_seeds);
|
|
|
|
quote! {
|
|
|
|
#associated_seeds_constraint
|
|
|
|
let seeds = [
|
|
|
|
&b"anchor"[..],
|
|
|
|
#associated_target.to_account_info().key.as_ref(),
|
|
|
|
#seeds
|
|
|
|
&[nonce],
|
|
|
|
];
|
2021-06-15 17:15:51 -07:00
|
|
|
}
|
|
|
|
};
|
|
|
|
generate_pda(f, seeds_with_nonce, payer, &c.space, true)
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_pda(
|
|
|
|
f: &Field,
|
|
|
|
seeds_with_nonce: proc_macro2::TokenStream,
|
|
|
|
payer: proc_macro2::TokenStream,
|
|
|
|
space: &Option<LitInt>,
|
|
|
|
assign_nonce: bool,
|
|
|
|
) -> proc_macro2::TokenStream {
|
2021-05-30 12:59:33 -07:00
|
|
|
let field = &f.ident;
|
|
|
|
let (account_ty, is_zero_copy) = match &f.ty {
|
|
|
|
Ty::ProgramAccount(ty) => (&ty.account_ident, false),
|
|
|
|
Ty::Loader(ty) => (&ty.account_ident, true),
|
2021-06-15 17:15:51 -07:00
|
|
|
_ => panic!("Invalid type for initializing a program derived address"),
|
2021-05-30 12:59:33 -07:00
|
|
|
};
|
|
|
|
|
2021-06-15 17:15:51 -07:00
|
|
|
let space = match space {
|
2021-05-30 12:59:33 -07:00
|
|
|
// If no explicit space param was given, serialize the type to bytes
|
|
|
|
// and take the length (with +8 for the discriminator.)
|
|
|
|
None => match is_zero_copy {
|
|
|
|
false => {
|
|
|
|
quote! {
|
|
|
|
let space = 8 + #account_ty::default().try_to_vec().unwrap().len();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
true => {
|
|
|
|
quote! {
|
|
|
|
let space = 8 + anchor_lang::__private::bytemuck::bytes_of(&#account_ty::default()).len();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
},
|
|
|
|
// Explicit account size given. Use it.
|
|
|
|
Some(s) => quote! {
|
|
|
|
let space = #s;
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
let account_wrapper_ty = match is_zero_copy {
|
|
|
|
false => quote! {
|
|
|
|
anchor_lang::ProgramAccount
|
|
|
|
},
|
|
|
|
true => quote! {
|
|
|
|
anchor_lang::Loader
|
|
|
|
},
|
|
|
|
};
|
2021-06-15 17:15:51 -07:00
|
|
|
let nonce_assignment = match assign_nonce {
|
2021-05-30 12:59:33 -07:00
|
|
|
false => quote! {},
|
2021-06-15 17:15:51 -07:00
|
|
|
true => match is_zero_copy {
|
|
|
|
false => quote! {
|
|
|
|
pa.__nonce = nonce;
|
|
|
|
},
|
|
|
|
// Zero copy is not deserialized, so the data must be lazy loaded.
|
|
|
|
true => quote! {
|
|
|
|
pa.load_init()?.__nonce = nonce;
|
|
|
|
},
|
2021-05-30 12:59:33 -07:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
quote! {
|
|
|
|
let #field: #account_wrapper_ty<#account_ty> = {
|
|
|
|
#space
|
|
|
|
#payer
|
|
|
|
|
|
|
|
let lamports = rent.minimum_balance(space);
|
|
|
|
let ix = anchor_lang::solana_program::system_instruction::create_account(
|
2021-06-15 17:15:51 -07:00
|
|
|
payer.to_account_info().key,
|
|
|
|
#field.to_account_info().key,
|
2021-05-30 12:59:33 -07:00
|
|
|
lamports,
|
|
|
|
space as u64,
|
|
|
|
program_id,
|
|
|
|
);
|
|
|
|
|
2021-06-15 17:15:51 -07:00
|
|
|
#seeds_with_nonce
|
2021-05-30 12:59:33 -07:00
|
|
|
let signer = &[&seeds[..]];
|
|
|
|
anchor_lang::solana_program::program::invoke_signed(
|
|
|
|
&ix,
|
|
|
|
&[
|
|
|
|
|
2021-06-15 17:15:51 -07:00
|
|
|
#field.to_account_info(),
|
|
|
|
payer.to_account_info(),
|
|
|
|
system_program.to_account_info(),
|
2021-05-30 12:59:33 -07:00
|
|
|
],
|
|
|
|
signer,
|
|
|
|
).map_err(|e| {
|
|
|
|
anchor_lang::solana_program::msg!("Unable to create associated account");
|
|
|
|
e
|
|
|
|
})?;
|
|
|
|
// For now, we assume all accounts created with the `associated`
|
|
|
|
// attribute have a `nonce` field in their account.
|
|
|
|
let mut pa: #account_wrapper_ty<#account_ty> = #account_wrapper_ty::try_from_init(
|
2021-06-15 17:15:51 -07:00
|
|
|
&#field.to_account_info(),
|
2021-05-30 12:59:33 -07:00
|
|
|
)?;
|
2021-06-15 17:15:51 -07:00
|
|
|
#nonce_assignment
|
2021-05-30 12:59:33 -07:00
|
|
|
pa
|
|
|
|
};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_associated_seeds(
|
|
|
|
f: &Field,
|
|
|
|
c: &ConstraintAssociatedGroup,
|
|
|
|
) -> proc_macro2::TokenStream {
|
2021-06-15 17:15:51 -07:00
|
|
|
let field = &f.ident;
|
2021-05-30 12:59:33 -07:00
|
|
|
let associated_target = c.associated_target.clone();
|
2021-06-27 10:03:26 -07:00
|
|
|
let seeds_no_nonce = if c.associated_seeds.is_empty() {
|
|
|
|
quote! {
|
|
|
|
&b"anchor"[..],
|
|
|
|
#associated_target.to_account_info().key.as_ref(),
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
let seeds = to_seeds_tts(&c.associated_seeds);
|
|
|
|
quote! {
|
|
|
|
&b"anchor"[..],
|
|
|
|
#associated_target.to_account_info().key.as_ref(),
|
|
|
|
#seeds
|
|
|
|
}
|
|
|
|
};
|
|
|
|
let associated_field = if c.is_init {
|
|
|
|
quote! {
|
|
|
|
let (__associated_field, nonce) = Pubkey::find_program_address(
|
|
|
|
&[#seeds_no_nonce],
|
|
|
|
program_id,
|
|
|
|
);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
let nonce = match &f.ty {
|
|
|
|
Ty::ProgramAccount(_) => quote! { #field.__nonce },
|
|
|
|
Ty::Loader(_) => {
|
|
|
|
// Zero copy is not deserialized, so the data must be lazy loaded.
|
|
|
|
quote! { #field.load()?.__nonce }
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
2021-06-27 10:03:26 -07:00
|
|
|
_ => panic!("Invalid type for initializing a program derived address"),
|
|
|
|
};
|
|
|
|
quote! {
|
|
|
|
let __associated_field = Pubkey::create_program_address(
|
|
|
|
&[#seeds_no_nonce &[#nonce]],
|
|
|
|
program_id,
|
|
|
|
)?;
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
};
|
|
|
|
quote! {
|
2021-06-27 10:03:26 -07:00
|
|
|
#associated_field
|
2021-06-15 17:15:51 -07:00
|
|
|
if &__associated_field != #field.to_account_info().key {
|
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintAssociatedInit.into());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_executable(
|
|
|
|
f: &Field,
|
|
|
|
_c: &ConstraintExecutable,
|
|
|
|
) -> proc_macro2::TokenStream {
|
|
|
|
let name = &f.ident;
|
|
|
|
quote! {
|
|
|
|
if !#name.to_account_info().executable {
|
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintExecutable.into());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn generate_constraint_state(f: &Field, c: &ConstraintState) -> proc_macro2::TokenStream {
|
|
|
|
let program_target = c.program_target.clone();
|
|
|
|
let ident = &f.ident;
|
|
|
|
let account_ty = match &f.ty {
|
|
|
|
Ty::CpiState(ty) => &ty.account_ident,
|
|
|
|
_ => panic!("Invalid state constraint"),
|
|
|
|
};
|
|
|
|
quote! {
|
|
|
|
// Checks the given state account is the canonical state account for
|
|
|
|
// the target program.
|
|
|
|
if #ident.to_account_info().key != &anchor_lang::CpiState::<#account_ty>::address(#program_target.to_account_info().key) {
|
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintState.into());
|
|
|
|
}
|
|
|
|
if #ident.to_account_info().owner != #program_target.to_account_info().key {
|
|
|
|
return Err(anchor_lang::__private::ErrorCode::ConstraintState.into());
|
|
|
|
}
|
2021-05-30 12:59:33 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Returns the inner part of the seeds slice as a token stream.
|
|
|
|
fn to_seeds_tts(seeds: &[syn::Ident]) -> proc_macro2::TokenStream {
|
|
|
|
assert!(seeds.len() > 0);
|
|
|
|
let seed_0 = &seeds[0];
|
|
|
|
let mut tts = quote! {
|
|
|
|
#seed_0.to_account_info().key.as_ref(),
|
|
|
|
};
|
|
|
|
for seed in &seeds[1..] {
|
|
|
|
tts = quote! {
|
|
|
|
#tts
|
|
|
|
#seed.to_account_info().key.as_ref(),
|
|
|
|
};
|
|
|
|
}
|
|
|
|
tts
|
|
|
|
}
|