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feat: add proper support for borsh schema containers in ABI #872

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merged 5 commits into from
Aug 1, 2022
Merged

feat: add proper support for borsh schema containers in ABI #872

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e65f4d1
add proper support for borsh schema containers
itegulov Jul 27, 2022
7701980
rebuild examples
itegulov Jul 27, 2022
22dc2ef
improve borsh serde impls
itegulov Jul 29, 2022
979b839
add tests
itegulov Aug 1, 2022
e627120
Merge remote-tracking branch 'origin/master' into daniyar/borsh-support
itegulov Aug 1, 2022
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81 changes: 64 additions & 17 deletions examples/abi/res/abi.json
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Original file line number Diff line number Diff line change
Expand Up @@ -15,57 +15,104 @@
"params": [
{
"name": "a",
"serialization_type": "json",
"type_schema": {
"$ref": "#/definitions/Pair"
},
"serialization_type": "json"
}
},
{
"name": "b",
"serialization_type": "json",
"type_schema": {
"$ref": "#/definitions/Pair"
},
"serialization_type": "json"
}
}
],
"result": {
"serialization_type": "json",
"type_schema": {
"$ref": "#/definitions/Pair"
}
}
},
{
"name": "add_borsh",
"is_view": true,
"params": [
{
"name": "a",
"serialization_type": "borsh",
"type_schema": {
"declaration": "Pair",
"definitions": {
"Pair": {
"Struct": [
"u32",
"u32"
]
}
}
}
},
"serialization_type": "json"
{
"name": "b",
"serialization_type": "borsh",
"type_schema": {
"declaration": "Pair",
"definitions": {
"Pair": {
"Struct": [
"u32",
"u32"
]
}
}
}
}
],
"result": {
"serialization_type": "borsh",
"type_schema": {
"declaration": "Pair",
"definitions": {
"Pair": {
"Struct": [
"u32",
"u32"
]
}
}
}
}
},
{
"name": "add_callback",
"is_view": true,
"callbacks": [
{
"serialization_type": "json",
"type_schema": {
"$ref": "#/definitions/DoublePair"
},
"serialization_type": "json"
}
},
{
"serialization_type": "json",
"type_schema": {
"$ref": "#/definitions/DoublePair"
},
"serialization_type": "json"
}
}
],
"callbacks_vec": {
"serialization_type": "json",
"type_schema": {
"type": "array",
"items": {
"$ref": "#/definitions/DoublePair"
}
},
"serialization_type": "json"
"$ref": "#/definitions/DoublePair"
}
},
"result": {
"serialization_type": "json",
"type_schema": {
"$ref": "#/definitions/DoublePair"
},
"serialization_type": "json"
}
}
}
],
Expand Down
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9 changes: 7 additions & 2 deletions examples/abi/src/lib.rs
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
use near_sdk::__private::schemars::JsonSchema;
use near_sdk::borsh::{self, BorshDeserialize, BorshSerialize};
use near_sdk::borsh::{self, BorshDeserialize, BorshSchema, BorshSerialize};
use near_sdk::near_bindgen;
use near_sdk::serde::{Deserialize, Serialize};

#[derive(JsonSchema, Serialize, Deserialize)]
#[derive(JsonSchema, Serialize, Deserialize, BorshDeserialize, BorshSerialize, BorshSchema)]
pub struct Pair(u32, u32);

#[derive(JsonSchema, Serialize, Deserialize)]
Expand All @@ -22,6 +22,11 @@ impl Adder {
sum_pair(&a, &b)
}

#[result_serializer(borsh)]
pub fn add_borsh(&self, #[serializer(borsh)] a: Pair, #[serializer(borsh)] b: Pair) -> Pair {
sum_pair(&a, &b)
}

pub fn add_callback(
&self,
#[callback_unwrap] a: DoublePair,
Expand Down
Binary file modified examples/fungible-token/res/fungible_token.wasm
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Binary file modified examples/non-fungible-token/res/non_fungible_token.wasm
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69 changes: 22 additions & 47 deletions near-sdk-macros/src/core_impl/abi/abi_generator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ use crate::{ImplItemMethodInfo, MethodType};
use proc_macro2::{Span, TokenStream as TokenStream2};
use quote::quote;
use syn::spanned::Spanned;
use syn::ReturnType;
use syn::{ReturnType, Type};

impl ImplItemMethodInfo {
/// Generates ABI struct for this function.
Expand Down Expand Up @@ -54,25 +54,19 @@ impl ImplItemMethodInfo {
let mut callback_vec: Option<TokenStream2> = None;
for arg in &self.attr_signature_info.args {
let typ = &arg.ty;
let serialization_type = abi_serialization_type(&arg.serializer_ty);
let arg_name = arg.ident.to_string();
match arg.bindgen_ty {
BindgenArgType::Regular => {
let abi_type = generate_abi_type(typ, &arg.serializer_ty);
params.push(quote! {
near_sdk::__private::AbiParameter {
name: #arg_name.to_string(),
type_schema: gen.subschema_for::<#typ>(),
serialization_type: #serialization_type,
typ: #abi_type
}
});
}
BindgenArgType::CallbackArg => {
callbacks.push(quote! {
near_sdk::__private::AbiType {
type_schema: gen.subschema_for::<#typ>(),
serialization_type: #serialization_type,
}
});
callbacks.push(generate_abi_type(typ, &arg.serializer_ty));
}
BindgenArgType::CallbackResultArg => {
let typ = if let Some(ok_type) = utils::extract_ok_type(typ) {
Expand All @@ -85,12 +79,7 @@ impl ImplItemMethodInfo {
)
.into_compile_error();
};
callbacks.push(quote! {
near_sdk::__private::AbiType {
type_schema: gen.subschema_for::<#typ>(),
serialization_type: #serialization_type,
}
});
callbacks.push(generate_abi_type(typ, &arg.serializer_ty));
}
BindgenArgType::CallbackArgVec => {
if callback_vec.is_none() {
Expand All @@ -103,14 +92,10 @@ impl ImplItemMethodInfo {
)
.into_compile_error();
};
callback_vec = Some(quote! {
Some(
near_sdk::__private::AbiType {
type_schema: gen.subschema_for::<#typ>(),
serialization_type: #serialization_type,
}
)
})

let abi_type =
generate_abi_type(typ, &self.attr_signature_info.result_serializer);
callback_vec = Some(quote! { Some(#abi_type) })
} else {
return syn::Error::new(
Span::call_site(),
Expand Down Expand Up @@ -146,16 +131,9 @@ impl ImplItemMethodInfo {
)
.into_compile_error();
};
let serialization_type =
abi_serialization_type(&self.attr_signature_info.result_serializer);
quote! {
Some(
near_sdk::__private::AbiType {
type_schema: gen.subschema_for::<#ty>(),
serialization_type: #serialization_type,
}
)
}
let abi_type =
generate_abi_type(ty, &self.attr_signature_info.result_serializer);
quote! { Some(#abi_type) }
}
ReturnType::Type(_, ty) if is_handles_result => {
return syn::Error::new(
Expand All @@ -165,16 +143,9 @@ impl ImplItemMethodInfo {
.to_compile_error();
}
ReturnType::Type(_, ty) => {
let serialization_type =
abi_serialization_type(&self.attr_signature_info.result_serializer);
quote! {
Some(
near_sdk::__private::AbiType {
type_schema: gen.subschema_for::<#ty>(),
serialization_type: #serialization_type,
}
)
}
let abi_type =
generate_abi_type(ty, &self.attr_signature_info.result_serializer);
quote! { Some(#abi_type) }
}
},
};
Expand All @@ -195,13 +166,17 @@ impl ImplItemMethodInfo {
}
}

fn abi_serialization_type(serializer_type: &SerializerType) -> TokenStream2 {
fn generate_abi_type(ty: &Type, serializer_type: &SerializerType) -> TokenStream2 {
match serializer_type {
SerializerType::JSON => quote! {
near_sdk::__private::AbiSerializationType::Json
near_sdk::__private::AbiType::Json {
type_schema: gen.subschema_for::<#ty>(),
}
},
SerializerType::Borsh => quote! {
near_sdk::__private::AbiSerializationType::Borsh
near_sdk::__private::AbiType::Borsh {
type_schema: #ty::schema_container(),
}
},
}
}
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