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feat(wasm-sdk): auto-generate entropy for document creation when not provided #2988

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feat(wasm-sdk): auto-generate entropy for document creation when not provided #2988

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d957e43
feat(wasm-sdk): auto-generate entropy for document creation when not …
PastaPastaPasta Jan 13, 2026
603ec60
refactor(wasm-sdk): delegate entropy generation to rs-sdk
PastaPastaPasta Jan 13, 2026
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28 changes: 13 additions & 15 deletions packages/wasm-sdk/src/state_transitions/document.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,8 @@ export interface DocumentCreateOptions {
/**
* The document to create.
* Use `new Document(...)` or `Document.fromJSON(...)` to construct it.
* Must include dataContractId, documentTypeName, ownerId, and entropy.
* Must include dataContractId, documentTypeName, and ownerId.
* Entropy is optional - if not set, it will be auto-generated.
*/
document: Document;

Expand Down Expand Up @@ -108,19 +109,16 @@ impl WasmSdk {
let contract_id: Identifier = document_wasm.get_data_contract_id().into();
let document_type_name = document_wasm.get_document_type_name();

// Get entropy from document
let entropy = document_wasm.get_entropy().ok_or_else(|| {
WasmSdkError::invalid_argument("Document must have entropy set for creation")
})?;

if entropy.len() != 32 {
return Err(WasmSdkError::invalid_argument(
"Document entropy must be exactly 32 bytes",
));
}

let mut entropy_array = [0u8; 32];
entropy_array.copy_from_slice(&entropy);
// Get entropy from document if set, otherwise let rs-sdk generate it
let entropy = document_wasm.get_entropy().and_then(|e| {
if e.len() == 32 {
let mut arr = [0u8; 32];
arr.copy_from_slice(&e);
Some(arr)
} else {
None
}
});

// Extract identity key from options
let identity_key_wasm =
Expand All @@ -144,7 +142,7 @@ impl WasmSdk {
.put_to_platform_and_wait_for_response(
self.inner_sdk(),
document_type,
Some(entropy_array),
entropy,
identity_key,
None, // token_payment_info
&signer,
Expand Down
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