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🔎 Expose lookup gates #1253

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zkzoomer wants to merge 2 commits into from
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🔎 Expose lookup gates #1253

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2e71ab0
bug fixes
zkzoomer Nov 17, 2023
4c11f31
export lookups
zkzoomer Nov 17, 2023
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1 change: 1 addition & 0 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ export { UInt32, UInt64, Int64, Sign } from './lib/int.js';
export { Gadgets } from './lib/gadgets/gadgets.js';
export { Types } from './bindings/mina-transaction/types.js';

export * as Gates from './lib/gates.js';
export * as Mina from './lib/mina.js';
export type { DeployArgs } from './lib/zkapp.js';
export {
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21 changes: 13 additions & 8 deletions src/lib/gates.ts
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
import { Snarky } from '../snarky.js';
import { FieldConst, type Field } from './field.js';
import { FieldConst, Field, FieldVar } from './field.js';
import { MlArray, MlTuple } from './ml/base.js';
import { TupleN } from './util/types.js';

export { rangeCheck0, rangeCheck1, xor, zero, rotate, generic };
export { rangeCheck0, rangeCheck1, xor, zero, lookup, addFixedLookupTable, addDynamicLookupTable, rotate, generic };

function rangeCheck0(
x: Field,
Expand Down Expand Up @@ -131,14 +131,19 @@ function zero(a: Field, b: Field, c: Field) {
Snarky.gates.zero(a.value, b.value, c.value);
}

function lookup(id: Field, index: Field, value: Field) {
Snarky.gates.lookup([id.value, index.value, value.value, index.value, value.value, index.value, value.value]);
function lookup(id: Field, index: Field, value: Field) {
Snarky.gates.lookup([0, id.value, index.value, value.value, index.value, value.value, index.value, value.value]);
}

function addFixedLookupTable(id: number, data: [[Field], [Field]]) {
Snarky.gates.addFixedLookupTable(id, [data[0].map((x) => x.value), data[1].map((x) => x.value)]);
function addFixedLookupTable(id: number, indices: Field[], data: Field[]) {
Snarky.gates.addFixedLookupTable(
id,
MlArray.to([
MlArray.to(indices.map((x) => FieldConst.fromBigint(x.toBigInt()))),
MlArray.to(data.map((x) => FieldConst.fromBigint(x.toBigInt())))
]))
}

function addDynamicLookupTable(id: number, data: [Field]) {
Snarky.gates.addRuntimeTableConfig(id, data.map((x) => x.value));
function addDynamicLookupTable(id: number, data: Field[]) {
Snarky.gates.addRuntimeTableConfig(id, MlArray.to(data.map((x) => FieldConst.fromBigint(x.toBigInt()))));
}