Add sidechain activation data, hash fetching script

scripts/fetch-sidechain-hashes.sh

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+#
+# Populate the BIP300 hash_id_1 / hash_id_2 fields of the sidechains/*.json
+# proposal requests from each sidechain's most recent GitHub release.
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+SIDECHAIN_DIR="$REPO_ROOT/sidechains"
+
+# slot -> github owner/repo of the canonical node software.
+declare -A REPOS=(
+    [2]="LayerTwo-Labs/plain-bitnames"
+    [4]="LayerTwo-Labs/plain-bitassets"
+    [9]="LayerTwo-Labs/thunder-rust"
+    [13]="LayerTwo-Labs/truthcoin-dc"
+    [98]="iwakura-rein/thunder-orchard"
+    [99]="LayerTwo-Labs/photon"
+    [255]="LayerTwo-Labs/coinshift-rs"
+)
+
+command -v gh >/dev/null || { echo "❌ gh (GitHub CLI) is required" >&2; exit 1; }
+
+shopt -s nullglob
+files=("$SIDECHAIN_DIR"/*.json)
+shopt -u nullglob
+[ ${#files[@]} -gt 0 ] || { echo "❌ no request files in $SIDECHAIN_DIR" >&2; exit 1; }
+
+for f in "${files[@]}"; do
+    slot="$(jq -r '.sidechain_id' "$f")"
+    repo="${REPOS[$slot]:-}"
+    if [ -z "$repo" ]; then
+        echo "❌ slot $slot ($(basename "$f")): no repo mapping" >&2
+        exit 1
+    fi
+
+    # Most recent published release (excludes drafts and pre-releases).
+    tag="$(gh api "repos/$repo/releases/latest" --jq '.tag_name' 2>/dev/null || true)"
+    if [ -z "$tag" ]; then
+        echo "❌ slot $slot ($repo): no published release" >&2
+        exit 1
+    fi
+
+    # hash_id_2: the 20-byte (40 hex) commit the release tag resolves to.
+    commit="$(gh api "repos/$repo/commits/$tag" --jq '.sha' 2>/dev/null || true)"
+    if ! [[ "$commit" =~ ^[0-9a-f]{40}$ ]]; then
+        echo "❌ slot $slot ($repo@$tag): could not resolve commit" >&2
+        exit 1
+    fi
+
+    # hash_id_1: sha256 of the release's source tarball.
+    tarball="$(mktemp)"
+    if ! curl -fsSL "https://github.com/$repo/archive/refs/tags/$tag.tar.gz" -o "$tarball"; then
+        echo "❌ slot $slot ($repo@$tag): tarball download failed" >&2
+        rm -f "$tarball"
+        exit 1
+    fi
+    h1="$(shasum -a 256 "$tarball" | cut -d' ' -f1)"
+    rm -f "$tarball"
+
+    tmp="$(mktemp)"
+    jq --arg h1 "$h1" --arg h2 "$commit" \
+        '.declaration.v0.hash_id_1.hex = $h1 | .declaration.v0.hash_id_2.hex = $h2' \
+        "$f" > "$tmp" && mv "$tmp" "$f"
+
+    echo "✅ slot $slot  $repo  $tag"
+    echo "     hash_id_1 $h1"
+    echo "     hash_id_2 $commit"
+done

sidechains/02-bitnames.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 2,
+  "declaration": {
+    "v0": {
+      "title": "BitNames",
+      "description": "A variant of Namecoin/BitDNS that aims to replace ICANN",
+      "hash_id_1": {
+        "hex": "2b4dfd7a97c94502ed88441e917b13533a30929a028568231eacccc6c25daf23"
+      },
+      "hash_id_2": {
+        "hex": "67a981fe0f2ea78126e7ad94d4f233c5bfdc1575"
+      }
+    }
+  }
+}

sidechains/04-bitassets.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 4,
+  "declaration": {
+    "v0": {
+      "title": "BitAssets",
+      "description": "A sidechain for digital assets",
+      "hash_id_1": {
+        "hex": "45ae898ac83b47bb4d62b3ea509d2fd0275ebe31ef93da6e32dacd72f8a0912a"
+      },
+      "hash_id_2": {
+        "hex": "664d418f3523f96e8222999f9fec6686b7a0642d"
+      }
+    }
+  }
+}

sidechains/09-thunder.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 9,
+  "declaration": {
+    "v0": {
+      "title": "Thunder",
+      "description": "A sidechain with a large & growing blocksize, plus fraud proofs",
+      "hash_id_1": {
+        "hex": "c46e3297057b396024798ccfe05c4d1488dbc9f14f47af5858f1a81479e3d742"
+      },
+      "hash_id_2": {
+        "hex": "2559908bfe6e0542edb80078e9c2316c59a0ba30"
+      }
+    }
+  }
+}

sidechains/13-truthcoin.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 13,
+  "declaration": {
+    "v0": {
+      "title": "Truthcoin",
+      "description": "A sidechain for decentralized prediction markets and oracle data",
+      "hash_id_1": {
+        "hex": "3e9f805a57ada7ad062b413c532e268343ee0514fdb65762dcea549de38078ce"
+      },
+      "hash_id_2": {
+        "hex": "435ce0d2e24196de240db92c27ffd0753bd14b80"
+      }
+    }
+  }
+}

sidechains/255-coinshift.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 255,
+  "declaration": {
+    "v0": {
+      "title": "Coinshift",
+      "description": "Sidechain with a P2P, trustless L2-L1 swap system",
+      "hash_id_1": {
+        "hex": "eaef35566f8849b13bd1efeb33f94b00118a549bf3decafcf3e3a64f3a78db5a"
+      },
+      "hash_id_2": {
+        "hex": "74f7ea60255aeb974c71eb18b2072ddb0215350f"
+      }
+    }
+  }
+}

sidechains/98-zside.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 98,
+  "declaration": {
+    "v0": {
+      "title": "zSide",
+      "description": "Sidechain with private transactions",
+      "hash_id_1": {
+        "hex": "ca96e7f0b9d29bae32cce839a7f4792319f98a6dafabd866da786247ad9d14d4"
+      },
+      "hash_id_2": {
+        "hex": "7be59b90c7c099dc732e3ad82cd77b2abee3c6de"
+      }
+    }
+  }
+}

sidechains/99-photon.json

@@ -0,0 +1,15 @@
+{
+  "sidechain_id": 99,
+  "declaration": {
+    "v0": {
+      "title": "Photon",
+      "description": "Sidechain using post-quantum cryptography",
+      "hash_id_1": {
+        "hex": "e924266aeaee69e861f0f40ae4108790c32102fdc9005c3a642e0b418c768569"
+      },
+      "hash_id_2": {
+        "hex": "470285933cd504336a1be30ff929d5dc48296e32"
+      }
+    }
+  }
+}