chore: replace LICENSE with Apache-2.0; add NOTICE (#2377)

tilo-14 · Tilo Palfner · web-flow · commit 5d58e11cf8f3 · 2026-05-19T14:31:56.000-04:00
Co-authored-by: Tilo Palfner &lt;tilohelius@Tilos-MacBook-Pro.local&gt;
diff --git a/LICENSE b/LICENSE
diff --git a/NOTICE b/NOTICE
@@ -0,0 +1,23 @@
+Light Protocol
+Copyright 2021-2026 Light Protocol Labs
+
+This product is licensed under the Apache License, Version 2.0.
+
+The previous LICENSE file in this repository contained GPL-3.0 text
+inherited from the Light Protocol v1 codebase. Apache-2.0 has been the
+intended and declared license for the on-chain programs, SDK crates, and
+npm packages, as reflected in their respective Cargo.toml and
+package.json manifests. The root LICENSE file has been updated to
+reflect the actual licensing intent.
+
+Third-party components:
+
+  prover/server/ contains MIT-licensed code derived from work
+  Copyright (c) 2023 Worldcoin Foundation. See prover/server/LICENSE.
+
+  program-libs/hasher/src/syscalls/ contains code adapted from
+  solana-labs/solana, licensed under the Apache License, Version 2.0.
+  See file headers for attribution.
+
+  program-libs/aligned-sized/ is licensed under MIT, Copyright (c) 2023
+  Light Protocol Labs. See program-libs/aligned-sized/LICENSE.
diff --git a/forester/Cargo.toml b/forester/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "forester"
 version = "1.1.0"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
diff --git a/program-libs/compressible/Cargo.toml b/program-libs/compressible/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.6.0"
 edition = "2021"
 description = "Light Protocol compressible data structures"
 readme = "README.md"
-license = "MIT"
+license = "Apache-2.0"
 
 [features]
 default = ["solana"]
diff --git a/program-libs/token-interface/Cargo.toml b/program-libs/token-interface/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.5.0"
 edition = { workspace = true }
 description = "Light Protocol token instruction data types."
 readme = "README.md"
-license = "MIT"
+license = "Apache-2.0"
 
 [features]
 anchor = ["light-compressed-account/anchor", "dep:anchor-lang", "light-compressible/anchor"]
diff --git a/program-tests/account-compression-test/Cargo.toml b/program-tests/account-compression-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "account-compression-test"
 version = "1.1.0"
 description = "Created with Anchor"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
diff --git a/program-tests/compressed-token-test/Cargo.toml b/program-tests/compressed-token-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "compressed-token-test"
 version = "1.1.0"
 description = "Created with Anchor"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
diff --git a/program-tests/e2e-test/Cargo.toml b/program-tests/e2e-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "e2e-test"
 version = "1.1.0"
 description = "Created with Anchor"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
diff --git a/program-tests/registry-test/Cargo.toml b/program-tests/registry-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "registry-test"
 version = "1.1.0"
 description = "Created with Anchor"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
diff --git a/program-tests/system-test/Cargo.toml b/program-tests/system-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "system-test"
 version = "1.1.0"
 description = "Created with Anchor"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
diff --git a/sdk-libs/program-test/Cargo.toml b/sdk-libs/program-test/Cargo.toml
@@ -2,7 +2,7 @@
 name = "light-program-test"
 version = "0.23.0"
 description = "A fast local test environment for Solana programs using compressed accounts and tokens."
-license = "MIT"
+license = "Apache-2.0"
 edition = "2021"
 
 [features]
diff --git a/sdk-tests/anchor-manual-test/Cargo.toml b/sdk-tests/anchor-manual-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "anchor-manual-test"
 version = "0.1.0"
 description = "Manual LightAccount implementation test without macros"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/anchor-semi-manual-test/Cargo.toml b/sdk-tests/anchor-semi-manual-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "anchor-semi-manual-test"
 version = "0.1.0"
 description = "Test for #[derive(LightProgram)] macro validation with all variant kinds"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/csdk-anchor-full-derived-test-sdk/Cargo.toml b/sdk-tests/csdk-anchor-full-derived-test-sdk/Cargo.toml
@@ -2,6 +2,7 @@
 name = "csdk-anchor-full-derived-test-sdk"
 version = "0.1.0"
 description = "Client SDK for csdk-anchor-full-derived-test program"
+license = "Apache-2.0"
 edition = "2021"
 
 [dependencies]
diff --git a/sdk-tests/csdk-anchor-full-derived-test/Cargo.toml b/sdk-tests/csdk-anchor-full-derived-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "csdk-anchor-full-derived-test"
 version = "0.1.0"
 description = "Anchor program test using add_compressible_instructions macro for all compressible instructions"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/pinocchio-light-program-test/Cargo.toml b/sdk-tests/pinocchio-light-program-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "pinocchio-light-program-test"
 version = "0.1.0"
 description = "Test for #[derive(LightProgramPinocchio)] macro validation with pinocchio"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/pinocchio-manual-test/Cargo.toml b/sdk-tests/pinocchio-manual-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "pinocchio-manual-test"
 version = "0.1.0"
 description = "Manual LightAccount implementation test with pinocchio (no Anchor)"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/sdk-light-token-pinocchio/Cargo.toml b/sdk-tests/sdk-light-token-pinocchio/Cargo.toml
@@ -2,6 +2,7 @@
 name = "sdk-light-token-pinocchio-test"
 version = "0.1.0"
 description = "Pinocchio-based Solana program demonstrating compressed token operations"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/sdk-light-token-test/Cargo.toml b/sdk-tests/sdk-light-token-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "sdk-light-token-test"
 version = "0.1.0"
 description = "Native Solana program demonstrating compressed token operations"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/single-account-loader-test/Cargo.toml b/sdk-tests/single-account-loader-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "single-account-loader-test"
 version = "0.1.0"
 description = "Minimal Anchor program test for single AccountLoader (zero-copy) macro validation"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/single-ata-test/Cargo.toml b/sdk-tests/single-ata-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "single-ata-test"
 version = "0.1.0"
 description = "Minimal Anchor program test for single ATA macro validation"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/single-mint-test/Cargo.toml b/sdk-tests/single-mint-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "single-mint-test"
 version = "0.1.0"
 description = "Minimal Anchor program test for single mint macro validation"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/single-pda-test/Cargo.toml b/sdk-tests/single-pda-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "single-pda-test"
 version = "0.1.0"
 description = "Minimal Anchor program test for single PDA macro validation"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/sdk-tests/single-token-test/Cargo.toml b/sdk-tests/single-token-test/Cargo.toml
@@ -2,6 +2,7 @@
 name = "single-token-test"
 version = "0.1.0"
 description = "Minimal Anchor program test for single token vault macro validation"
+license = "Apache-2.0"
 edition = "2021"
 
 [lib]
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "xtask"
 version = "1.1.0"
+license = "Apache-2.0"
 edition = "2021"
 publish = false
 
