cids/* links are signed MMUR2 claims (POST /api/claims); SDK v1.10.0 on gitea

Cargo.lock

@@ -125,6 +125,12 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
 [[package]]
 name = "base256emoji"
 version = "1.0.2"
@@ -141,6 +147,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64ct"
+version = "1.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
+
 [[package]]
 name = "bendy"
 version = "0.3.3"
@@ -165,6 +177,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bs58"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf88ba1141d185c399bee5288d850d63b8369520c1eafc32a0430b5b6c287bf4"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.19.1"
@@ -211,6 +232,12 @@ dependencies = [
  "unsigned-varint",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
 [[package]]
 name = "const-str"
 version = "0.4.3"
@@ -244,6 +271,18 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crypto-bigint"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
+dependencies = [
+ "generic-array",
+ "rand_core 0.6.4",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.7"
@@ -280,6 +319,16 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "der"
+version = "0.7.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7c1832837b905bbfb5101e07cc24c8deddf52f93225eee6ead5f4d63d53ddcb"
+dependencies = [
+ "const-oid",
+ "zeroize",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -287,7 +336,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
+ "const-oid",
  "crypto-common",
+ "subtle",
 ]
 
 [[package]]
@@ -301,6 +352,39 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.16.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
+dependencies = [
+ "der",
+ "digest",
+ "elliptic-curve",
+ "rfc6979",
+ "signature",
+ "spki",
+]
+
+[[package]]
+name = "elliptic-curve"
+version = "0.13.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
+dependencies = [
+ "base16ct",
+ "crypto-bigint",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "sec1",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "errno"
 version = "0.3.14"
@@ -339,6 +423,16 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
+[[package]]
+name = "ff"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0b50bfb653653f9ca9095b427bed08ab8d75a137839d9ad64eb11810d5b6393"
+dependencies = [
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "find-msvc-tools"
 version = "0.1.8"
@@ -423,6 +517,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -458,12 +553,32 @@ version = "0.32.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
 
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "hex"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "http"
 version = "1.4.0"
@@ -706,6 +821,20 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "k256"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6e3919bbaa2945715f0bb6d3934a173d1e9a59ac23767fbaaef277265a7411b"
+dependencies = [
+ "cfg-if",
+ "ecdsa",
+ "elliptic-curve",
+ "once_cell",
+ "sha2",
+ "signature",
+]
+
 [[package]]
 name = "keccak"
 version = "0.1.5"
@@ -804,12 +933,19 @@ checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
 [[package]]
 name = "meta-feeder-sdk"
-version = "1.7.0"
+version = "1.10.0"
-source = "git+https://github.com/worph/meta-feeder-sdk?tag=v1.7.0#027917c8cffe7ca43dadcf3b426cc5f69ecc443a"
+source = "git+https://gitea-watch.nsl.sh/metastar/meta-feeder-sdk?tag=v1.10.0#f804d3adb19cc657cd15645e6ad134c767d30b33"
 dependencies = [
+ "anyhow",
+ "base64",
+ "bs58",
+ "k256",
  "libc",
+ "rand_core 0.6.4",
  "serde",
  "serde_json",
+ "sha2",
+ "thiserror 1.0.69",
  "tokio",
  "tracing",
 ]
@@ -836,7 +972,7 @@ dependencies = [
  "sha2",
  "sha3",
  "tempfile",
- "thiserror",
+ "thiserror 2.0.18",
  "tokio",
  "tower-http",
  "tracing",
@@ -957,6 +1093,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
 [[package]]
 name = "potential_utf"
 version = "0.1.4"
@@ -998,7 +1144,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2",
- "thiserror",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
  "web-time",
@@ -1019,7 +1165,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror",
+ "thiserror 2.0.18",
  "tinyvec",
  "tracing",
  "web-time",
@@ -1061,7 +1207,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
  "rand_chacha",
- "rand_core",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -1071,7 +1217,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.9.5",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom 0.2.17",
 ]
 
 [[package]]
@@ -1150,6 +1305,16 @@ dependencies = [
  "webpki-roots",
 ]
 
+[[package]]
+name = "rfc6979"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
+dependencies = [
+ "hmac",
+ "subtle",
+]
+
 [[package]]
 name = "ring"
 version = "0.17.14"
@@ -1242,6 +1407,20 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "sec1"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
+dependencies = [
+ "base16ct",
+ "der",
+ "generic-array",
+ "pkcs8",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -1365,6 +1544,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.11"
@@ -1387,6 +1576,16 @@ dependencies = [
  "windows-sys 0.60.2",
 ]
 
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.1"
@@ -1466,13 +1665,33 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.18",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
 ]
 
 [[package]]

Cargo.toml

@@ -32,7 +32,7 @@ serde_json = "1"
 
 # Beacon v2: advertise as metamesh.enrich/full-hash so meta-sort's Plugins
 # page finds it (Scan → Add). Only the SDK's light `beacon` feature.
-meta-feeder-sdk = { git = "https://github.com/worph/meta-feeder-sdk", tag = "v1.7.0", default-features = false, features = ["beacon"] }
+meta-feeder-sdk = { git = "https://gitea-watch.nsl.sh/metastar/meta-feeder-sdk", tag = "v1.10.0", default-features = false, features = ["beacon", "claims"] }
 
 # HTTP client
 reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls", "stream"] }

src/client/meta_core.rs

@@ -1,13 +1,34 @@
 use anyhow::{Context, Result};
 use reqwest::Client;
-use serde_json::json;
+use serde::Deserialize;
 use std::collections::HashMap;
+use std::sync::OnceLock;
 use std::time::Duration;
 
 const REQUEST_TIMEOUT: Duration = Duration::from_secs(30);
 const MAX_RETRIES: u32 = 3;
 const RETRY_DELAY: Duration = Duration::from_millis(500);
 
+/// One per-claim verdict from `POST /api/claims`.
+#[derive(Deserialize)]
+struct ClaimStatus {
+    status: String,
+    #[serde(default)]
+    reason: Option<String>,
+}
+
+/// This plugin's claim signer, loaded once from `METAMESH_SIGNING_KEY` /
+/// `METAMESH_SIGNING_KEY_FILE` (generated on first use when only the file is
+/// set). A missing key fails every write instead of signing with a silent
+/// ephemeral identity.
+fn signer() -> Result<&'static meta_feeder_sdk::Signer> {
+    static SIGNER: OnceLock<std::result::Result<meta_feeder_sdk::Signer, String>> = OnceLock::new();
+    SIGNER
+        .get_or_init(|| meta_feeder_sdk::load_or_create_key().map_err(|e| format!("{e:#}")))
+        .as_ref()
+        .map_err(|e| anyhow::anyhow!("no signing key: {e}"))
+}
+
 pub struct MetaCoreClient {
     client: Client,
     base_url: String,
@@ -26,88 +47,57 @@ impl MetaCoreClient {
         })
     }
 
-    /// Set a single property for a hash ID
+    /// Sign `metadata` as this plugin's claims on `cid` and submit them to
-    pub async fn set_property(&self, hash_id: &str, key: &str, value: &str) -> Result<()> {
+    /// `POST /api/claims` (claims model §9) — the replacement for the old
-        let url = format!("{}/meta/{}/{}", self.base_url, hash_id, key);
+    /// unsigned `PATCH /meta/{hash}` / per-key `PUT`. `cid` must be the content
+    /// cid the request named, never a meta-core rid. Retries transient
+    /// failures; a refused claim (bad signature / bad request) is an error.
+    pub async fn merge_metadata(
+        &self,
+        cid: &str,
+        metadata: &HashMap<String, String>,
+    ) -> Result<()> {
+        let signer = signer()?;
+        let fields: std::collections::BTreeMap<String, String> =
+            metadata.iter().map(|(k, v)| (k.clone(), v.clone())).collect();
+        let claims = signer.sign_fields(cid, &fields, meta_feeder_sdk::claims::now_ms());
+        let url = format!("{}/api/claims", self.base_url);
 
         for attempt in 1..=MAX_RETRIES {
-            match self
+            match self.client.post(&url).json(&claims).send().await {
-                .client
-                .put(&url)
-                .json(&json!({ "value": value }))
-                .send()
-                .await
-            {
                 Ok(resp) if resp.status().is_success() => {
+                    let verdicts: Vec<ClaimStatus> =
+                        resp.json().await.context("decode POST /api/claims")?;
+                    if let Some(bad) = verdicts
+                        .iter()
+                        .find(|v| v.status == "bad_signature" || v.status == "bad_request")
+                    {
+                        anyhow::bail!(
+                            "meta-core refused a claim for {}: {} {}",
+                            cid,
+                            bad.status,
+                            bad.reason.as_deref().unwrap_or("")
+                        );
+                    }
                     return Ok(());
                 }
                 Ok(resp) => {
                     let status = resp.status();
                     let body = resp.text().await.unwrap_or_default();
                     if attempt == MAX_RETRIES {
-                        anyhow::bail!(
+                        anyhow::bail!("POST /api/claims for {}: {} - {}", cid, status, body);
-                            "Failed to set property {} for {}: {} - {}",
-                            key,
-                            hash_id,
-                            status,
-                            body
-                        );
                     }
-                    tracing::warn!(
+                    tracing::warn!("Retry {}/{} for POST /api/claims: {} - {}", attempt, MAX_RETRIES, status, body);
-                        "Retry {}/{} for set_property: {} - {}",
-                        attempt,
-                        MAX_RETRIES,
-                        status,
-                        body
-                    );
                 }
                 Err(e) => {
                     if attempt == MAX_RETRIES {
-                        return Err(e).context(format!(
+                        return Err(e).context(format!("POST /api/claims for {cid}"));
-                            "Failed to set property {} for {}",
-                            key, hash_id
-                        ));
                     }
-                    tracing::warn!("Retry {}/{} for set_property: {}", attempt, MAX_RETRIES, e);
+                    tracing::warn!("Retry {}/{} for POST /api/claims: {}", attempt, MAX_RETRIES, e);
                 }
             }
             tokio::time::sleep(RETRY_DELAY).await;
         }
-
-        Ok(())
-    }
-
-    /// Merge multiple properties at once
-    pub async fn merge_metadata(
-        &self,
-        hash_id: &str,
-        metadata: &HashMap<String, String>,
-    ) -> Result<()> {
-        // Try batch endpoint first
-        let url = format!("{}/meta/{}", self.base_url, hash_id);
-
-        match self.client.patch(&url).json(metadata).send().await {
-            Ok(resp) if resp.status().is_success() => {
-                return Ok(());
-            }
-            Ok(resp) if resp.status().as_u16() == 404 => {
-                // Batch endpoint not available, fall back to individual sets
-                tracing::debug!("Batch endpoint not available, using individual sets");
-            }
-            Ok(resp) => {
-                let status = resp.status();
-                tracing::warn!("Batch merge failed with {}, falling back to individual sets", status);
-            }
-            Err(e) => {
-                tracing::warn!("Batch merge error: {}, falling back to individual sets", e);
-            }
-        }
-
-        // Fall back to individual property sets
-        for (key, value) in metadata {
-            self.set_property(hash_id, key, value).await?;
-        }
-
         Ok(())
     }