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feat(mock-chain): support sigmastate-js 0.6.0 #215

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feat(mock-chain): support sigmastate-js 0.6.0 #215

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feat(mock-chain): support sigmastate-js 0.6.0
Luivatra Apr 6, 2026
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Luivatra Apr 6, 2026
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5 changes: 5 additions & 0 deletions .changeset/sigmastate-js-0.6.0.md
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@@ -0,0 +1,5 @@
---
"@fleet-sdk/mock-chain": minor
---

Support sigmastate-js 0.6.0 by replacing removed `AvlTree$.fromDigest()` with `AvlTree` constructor
2 changes: 1 addition & 1 deletion packages/mock-chain/package.json
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Expand Up @@ -51,7 +51,7 @@
"@fleet-sdk/wallet": "workspace:^",
"diff": "^8.0.3",
"picocolors": "^1.1.1",
"sigmastate-js": "0.4.6"
"sigmastate-js": ">=0.4.6"
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@arobsn arobsn Apr 7, 2026

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The only 0.6.0 version available in npm registry is 0.6.0-snapshot.d6573ab7c, please set the version to this.

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@Luivatra Luivatra Apr 8, 2026

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Is it better if I update the whole repo to that version? Would be great if fleet supports the newer ergotree versions.

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@arobsn arobsn May 9, 2026

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Yeah, that would be great! But Fleet has it's own lightweight serializer implementation, so new types need to be implemented by hand.

In regards to sigmastate-js as a dependency, it's only user in three places;

  1. top-level package.json dev dependency just to have it available in tests;
  2. compiler package; and
  3. mock-chain package.

Sorry for the delay.

},
"engines": {
"node": ">=18"
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4 changes: 2 additions & 2 deletions packages/mock-chain/src/objectMocking.ts
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Expand Up @@ -3,7 +3,7 @@ import { SAFE_MIN_BOX_VALUE } from "@fleet-sdk/core";
import { hex } from "@fleet-sdk/crypto";
import { blake2b256, randomBytes } from "@fleet-sdk/crypto";
import { serializeBox } from "@fleet-sdk/serializer";
import { AvlTree$, type BlockchainStateContext, GroupElement$ } from "sigmastate-js/main";
import { AvlTree, type BlockchainStateContext, GroupElement$ } from "sigmastate-js/main";

type MockBoxOptions = Partial<Omit<Box<bigint>, "boxId">> & {
ergoTree: string;
Expand Down Expand Up @@ -105,7 +105,7 @@ export function mockBlockchainStateContext(options?: BlockchainContextMockingOpt
(h) => ({
...h,
ADProofsRoot: h.adProofsRoot,
stateRoot: AvlTree$.fromDigest(h.stateRoot),
stateRoot: new AvlTree(h.stateRoot, false, false, false, 32, undefined),
timestamp: BigInt(h.timestamp),
nBits: BigInt(h.nBits),
extensionRoot: h.extensionHash,
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4 changes: 0 additions & 4 deletions packages/mock-chain/src/sigmastate.d.ts
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Expand Up @@ -121,10 +121,6 @@ declare module "sigmastate-js/main" {
static fromPointHex(value: HexString): GroupElement;
}

export declare class AvlTree$ {
static fromDigest(value: HexString): AvlTree;
}

export declare class SigmaProp {}

export declare class SigmaProp$ {
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