mirror of
https://github.com/luxfi/precompile.git
synced 2026-09-24 00:26:21 +00:00
zeekay
23bd728432
Adds the e2e test path: real HQC keypair → precompile Encapsulate through 0x012208 → off-chain Decapsulate, shared secrets byte-equal. Three new tests, one per mode (HQC-128 / HQC-192 / HQC-256), all behind -tags=hqc_pqclean. Stub-mode tests (input shape, gas zero, invalid op/mode, wrong pubkey length, backend-not-wired propagation) stay green in the default build without cgo. go.mod: local replace for luxfi/crypto while the in-flight HQC PQClean cgo backend lands upstream. Will be dropped once crypto cuts a release including crypto/hqc/pqclean/.
35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
// Copyright (C) 2026, Lux Industries Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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//go:build !hqc_circl && !hqc_pqclean
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package hqc
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import (
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"errors"
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"testing"
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"github.com/luxfi/crypto/hqc"
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"github.com/luxfi/geth/common"
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)
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// TestRun_BackendStubSurfacesError — under the default no-backend
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// build, hqc.Encapsulate returns hqc.ErrBackendNotWired. The precompile
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// must propagate it as-is rather than swallowing into a generic error.
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//
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// Build-tag-gated so it does not run under hqc_pqclean / hqc_circl
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// where a real backend supplies bytes instead of an error.
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func TestRun_BackendStubSurfacesError(t *testing.T) {
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in := make([]byte, 2+SeedSize+2249)
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in[0] = 0x01
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in[1] = 0x00 // HQC-128
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// pkBytes left zero — backend stub returns ErrBackendNotWired before
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// any structural validation, which is the expected behaviour on a
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// host without a wired HQC backend (cgo PQClean or CIRCL HQC).
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_, _, err := HQCPrecompile.Run(nil, common.Address{}, ContractAddress,
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in, 1_000_000, true)
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if !errors.Is(err, hqc.ErrBackendNotWired) {
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t.Errorf("backend-not-wired path: want hqc.ErrBackendNotWired, got %v", err)
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}
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}
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