Add Destroy Speed API

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

paper-api/src/main/java/org/bukkit/block/Block.java

@@ -690,4 +690,31 @@ public interface Block extends Metadatable, Translatable, net.kyori.adventure.tr
     @Deprecated(forRemoval = true)
     String getTranslationKey();
     // Paper end
+
+    // Paper start - destroy speed API
+    /**
+     * Gets the speed at which this block will be destroyed by a given {@link ItemStack}
+     * <p>
+     * Default value is 1.0
+     *
+     * @param itemStack {@link ItemStack} used to mine this Block
+     * @return the speed that this Block will be mined by the given {@link ItemStack}
+     */
+    default float getDestroySpeed(final @NotNull ItemStack itemStack) {
+        return this.getBlockData().getDestroySpeed(itemStack);
+    }
+
+    /**
+     * Gets the speed at which this block will be destroyed by a given {@link ItemStack}
+     * <p>
+     * Default value is 1.0
+     *
+     * @param itemStack {@link ItemStack} used to mine this Block
+     * @param considerEnchants true to look at enchants on the itemstack
+     * @return the speed that this Block will be mined by the given {@link ItemStack}
+     */
+    default float getDestroySpeed(@NotNull ItemStack itemStack, boolean considerEnchants) {
+        return this.getBlockData().getDestroySpeed(itemStack, considerEnchants);
+    }
+    // Paper end - destroy speed API
 }

paper-api/src/main/java/org/bukkit/block/data/BlockData.java

@@ -266,4 +266,33 @@ public interface BlockData extends Cloneable {
     @NotNull
     @ApiStatus.Experimental
     BlockState createBlockState();
+
+    // Paper start - destroy speed API
+    /**
+     * Gets the speed at which this block will be destroyed by a given {@link ItemStack}
+     * <p>
+     * Default value is 1.0
+     *
+     * @param itemStack {@link ItemStack} used to mine this Block
+     * @return the speed that this Block will be mined by the given {@link ItemStack}
+     * @apiNote this method assumes default player state and hence, e.g., does not take into account changed
+     * player attributes or potion effects.
+     */
+    default float getDestroySpeed(final @NotNull ItemStack itemStack) {
+        return this.getDestroySpeed(itemStack, false);
+    }
+
+    /**
+     * Gets the speed at which this block will be destroyed by a given {@link ItemStack}
+     * <p>
+     * Default value is 1.0
+     *
+     * @param itemStack {@link ItemStack} used to mine this Block
+     * @param considerEnchants true to look at enchants on the itemstack
+     * @return the speed that this Block will be mined by the given {@link ItemStack}
+     * @apiNote this method assumes default player state and hence, e.g., does not take into account changed
+     * player attributes or potion effects.
+     */
+    float getDestroySpeed(@NotNull ItemStack itemStack, boolean considerEnchants);
+    // Paper end - destroy speed API
 }