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implement the specified sparse merkletree (#82)

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* wip

* prototype custom predicates 1b

* feat: implement custom pred recursion

* files reorg, add github CI for rustfmt checks

* start sparsemerkletree. impl add_leaf method, initial Leaf & Intermediate types with methods

* mt: add hash computation of all the nodes in the tree, add method to print the tree to visualize it as a graphviz

* mt: add  (till the leaf) method which is used by get,contains,prove methods

* mt: add verify (of inclusion) method

* mt: update 'down' method to reuse siblings, update get,contains,prove methods (the three use 'down' under the hood)

* Add nonexistence proofs and iterator

* Add iterator test

* migrate usage of old merkletree to the new merkletree impl in POD2 code

---------

Co-authored-by: Eduard S. <eduardsanou@posteo.net>
Co-authored-by: Ahmad <root@ahmadafuni.com>
This commit is contained in:
arnaucube 2025-02-21 02:13:58 +01:00 • committed by GitHub
parent 2e9719a1ca
commit c101d94530
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9 changed files with 649 additions and 198 deletions
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23
src/examples.rs
View file

@ -1,3 +1,4 @@
use anyhow::Result;
use std::collections::HashMap;
use crate::backends::mock_signed::MockSigner;
@ -24,8 +25,8 @@ pub fn zu_kyc_pod_builder(
params: &Params,
gov_id: &SignedPod,
pay_stub: &SignedPod,
) -> MainPodBuilder {
let sanction_list = Value::Dictionary(Dictionary::new(&HashMap::new())); // empty dictionary
) -> Result<MainPodBuilder> {
let sanction_list = Value::Dictionary(Dictionary::new(&HashMap::new())?); // empty dictionary
let now_minus_18y: i64 = 1169909388;
let now_minus_1y: i64 = 1706367566;
@ -41,7 +42,7 @@ pub fn zu_kyc_pod_builder(
));
kyc.pub_op(op!(eq, (pay_stub, "startDate"), now_minus_1y));
kyc
Ok(kyc)
}
// GreatBoy
@ -130,7 +131,7 @@ pub fn great_boy_pod_builder(
great_boy
}
pub fn great_boy_pod_full_flow() -> MainPodBuilder {
pub fn great_boy_pod_full_flow() -> Result<MainPodBuilder> {
let params = Params {
max_input_signed_pods: 6,
max_statements: 100,
@ -179,8 +180,8 @@ pub fn great_boy_pod_full_flow() -> MainPodBuilder {
alice_friend_pods.push(friend.sign(&mut bob_signer).unwrap());
alice_friend_pods.push(friend.sign(&mut charlie_signer).unwrap());
let good_boy_issuers_dict = Value::Dictionary(Dictionary::new(&HashMap::new())); // empty
great_boy_pod_builder(
let good_boy_issuers_dict = Value::Dictionary(Dictionary::new(&HashMap::new())?); // empty
Ok(great_boy_pod_builder(
&params,
[
&bob_good_boys[0],
@ -191,7 +192,7 @@ pub fn great_boy_pod_full_flow() -> MainPodBuilder {
[&alice_friend_pods[0], &alice_friend_pods[1]],
&good_boy_issuers_dict,
alice,
)
))
}
// Tickets
@ -229,15 +230,15 @@ pub fn tickets_pod_builder(
builder
}
pub fn tickets_pod_full_flow() -> MainPodBuilder {
pub fn tickets_pod_full_flow() -> Result<MainPodBuilder> {
let params = Params::default();
let builder = tickets_sign_pod_builder(&params);
let signed_pod = builder.sign(&mut MockSigner { pk: "test".into() }).unwrap();
tickets_pod_builder(
Ok(tickets_pod_builder(
&params,
&signed_pod,
123,
true,
&Value::Dictionary(Dictionary::new(&HashMap::new())),
)
&Value::Dictionary(Dictionary::new(&HashMap::new())?),
))
}