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docs(yellow-paper): Update function broadcasting functions #5350

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docs(yellow-paper): Update function broadcasting functions #5350

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12 changes: 9 additions & 3 deletions yellow-paper/docs/contract-deployment/classes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -165,15 +165,19 @@ function broadcast_private_function(
artifact_metadata_hash: Field,
unconstrained_functions_artifact_tree_root: Field,
private_function_tree_sibling_path: Field[],
private_function_tree_leaf_index: Field,
artifact_function_tree_sibling_path: Field[],
artifact_function_tree_leaf_index: Field,
function: { selector: Field, metadata_hash: Field, vk_hash: Field, bytecode: Field[] },
)
emit_unencrypted_event ClassPrivateFunctionBroadcasted(
contract_class_id,
artifact_metadata_hash,
unconstrained_functions_artifact_tree_root,
private_function_tree_sibling_path,
private_function_tree_leaf_index,
artifact_function_tree_sibling_path,
artifact_function_tree_leaf_index,
function,
)
```
Expand All @@ -184,13 +188,15 @@ function broadcast_unconstrained_function(
artifact_metadata_hash: Field,
private_functions_artifact_tree_root: Field,
artifact_function_tree_sibling_path: Field[],
artifact_function_tree_leaf_index: Field
function: { selector: Field, metadata_hash: Field, bytecode: Field[] }[],
)
emit_unencrypted_event ClassUnconstrainedFunctionBroadcasted(
contract_class_id,
artifact_metadata_hash,
private_functions_artifact_tree_root,
artifact_function_tree_sibling_path,
artifact_function_tree_leaf_index,
function,
)
```
Expand All @@ -207,12 +213,12 @@ contract_class = db.get_contract_class(contract_class_id)

// Compute function leaf and assert it belongs to the private functions tree
function_leaf = pedersen([selector as Field, vk_hash], GENERATOR__FUNCTION_LEAF)
computed_private_function_tree_root = compute_root(function_leaf, private_function_tree_sibling_path)
computed_private_function_tree_root = compute_root(function_leaf, private_function_tree_sibling_path, private_function_tree_leaf_index)
assert computed_private_function_tree_root == contract_class.private_function_root

// Compute artifact leaf and assert it belongs to the artifact
artifact_function_leaf = sha256(selector, metadata_hash, sha256(bytecode))
computed_artifact_private_function_tree_root = compute_root(artifact_function_leaf, artifact_function_tree_sibling_path)
computed_artifact_private_function_tree_root = compute_root(artifact_function_leaf, artifact_function_tree_sibling_path, artifact_function_tree_leaf_index)
computed_artifact_hash = sha256(computed_artifact_private_function_tree_root, unconstrained_functions_artifact_tree_root, artifact_metadata_hash)
assert computed_artifact_hash == contract_class.artifact_hash
```
Expand All @@ -227,7 +233,7 @@ contract_class = db.get_contract_class(contract_class_id)

// Compute artifact leaf and assert it belongs to the artifact
artifact_function_leaf = sha256(selector, metadata_hash, sha256(bytecode))
computed_artifact_unconstrained_function_tree_root = compute_root(artifact_function_leaf, artifact_function_tree_sibling_path)
computed_artifact_unconstrained_function_tree_root = compute_root(artifact_function_leaf, artifact_function_tree_sibling_path, artifact_function_tree_leaf_index)
computed_artifact_hash = sha256(private_functions_artifact_tree_root, computed_artifact_unconstrained_function_tree_root, artifact_metadata_hash)
assert computed_artifact_hash == contract_class.artifact_hash
```
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