internal/debug: add debug_freeOSMemory (#15122)

internal/debug/api.go

@@ -176,6 +176,11 @@ func (*HandlerT) Stacks() string {
 	return string(buf)
 }
 
+// FreeOSMemory returns unused memory to the OS.
+func (*HandlerT) FreeOSMemory() {
+	debug.FreeOSMemory()
+}
+
 func writeProfile(name, file string) error {
 	p := pprof.Lookup(name)
 	log.Info("Writing profile records", "count", p.Count(), "type", name, "dump", file)

internal/web3ext/web3ext.go

@@ -34,58 +34,56 @@ var Modules = map[string]string{
 
 const Chequebook_JS = `
 web3._extend({
-  property: 'chequebook',
-  methods:
-  [
-    new web3._extend.Method({
-      name: 'deposit',
-      call: 'chequebook_deposit',
-      params: 1,
-      inputFormatter: [null]
-    }),
-    new web3._extend.Property({
+	property: 'chequebook',
+	methods: [
+		new web3._extend.Method({
+			name: 'deposit',
+			call: 'chequebook_deposit',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Property({
 			name: 'balance',
 			getter: 'chequebook_balance',
-				outputFormatter: web3._extend.utils.toDecimal
-		}),
-    new web3._extend.Method({
-      name: 'cash',
-      call: 'chequebook_cash',
-      params: 1,
-      inputFormatter: [null]
-    }),
-    new web3._extend.Method({
-      name: 'issue',
-      call: 'chequebook_issue',
-      params: 2,
-      inputFormatter: [null, null]
-    }),
-  ]
+			outputFormatter: web3._extend.utils.toDecimal
+		}),
+		new web3._extend.Method({
+			name: 'cash',
+			call: 'chequebook_cash',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Method({
+			name: 'issue',
+			call: 'chequebook_issue',
+			params: 2,
+			inputFormatter: [null, null]
+		}),
+	]
 });
 `
 
 const Clique_JS = `
 web3._extend({
-  property: 'clique',
-  methods:
-  [
+	property: 'clique',
+	methods: [
 		new web3._extend.Method({
 			name: 'getSnapshot',
 			call: 'clique_getSnapshot',
 			params: 1,
-      inputFormatter: [null]
+			inputFormatter: [null]
 		}),
 		new web3._extend.Method({
 			name: 'getSnapshotAtHash',
 			call: 'clique_getSnapshotAtHash',
 			params: 1
 		}),
-    new web3._extend.Method({
-      name: 'getSigners',
-      call: 'clique_getSigners',
-      params: 1,
-      inputFormatter: [null]
-    }),
+		new web3._extend.Method({
+			name: 'getSigners',
+			call: 'clique_getSigners',
+			params: 1,
+			inputFormatter: [null]
+		}),
 		new web3._extend.Method({
 			name: 'getSignersAtHash',
 			call: 'clique_getSignersAtHash',
@@ -100,10 +98,9 @@ web3._extend({
 			name: 'discard',
 			call: 'clique_discard',
 			params: 1
-		})
-  ],
-	properties:
-	[
+		}),
+	],
+	properties: [
 		new web3._extend.Property({
 			name: 'proposals',
 			getter: 'clique_proposals'
@@ -115,8 +112,7 @@ web3._extend({
 const Admin_JS = `
 web3._extend({
 	property: 'admin',
-	methods:
-	[
+	methods: [
 		new web3._extend.Method({
 			name: 'addPeer',
 			call: 'admin_addPeer',
@@ -162,10 +158,9 @@ web3._extend({
 		new web3._extend.Method({
 			name: 'stopWS',
 			call: 'admin_stopWS'
-		})
+		}),
 	],
-	properties:
-	[
+	properties: [
 		new web3._extend.Property({
 			name: 'nodeInfo',
 			getter: 'admin_nodeInfo'
@@ -177,7 +172,7 @@ web3._extend({
 		new web3._extend.Property({
 			name: 'datadir',
 			getter: 'admin_datadir'
-		})
+		}),
 	]
 });
 `
@@ -185,8 +180,7 @@ web3._extend({
 const Debug_JS = `
 web3._extend({
 	property: 'debug',
-	methods:
-	[
+	methods: [
 		new web3._extend.Method({
 			name: 'printBlock',
 			call: 'debug_printBlock',
@@ -268,6 +262,11 @@ web3._extend({
 			params: 0,
 			outputFormatter: console.log
 		}),
+		new web3._extend.Method({
+			name: 'freeOSMemory',
+			call: 'debug_freeOSMemory',
+			params: 0,
+		}),
 		new web3._extend.Method({
 			name: 'memStats',
 			call: 'debug_memStats',
@@ -358,8 +357,7 @@ web3._extend({
 const Eth_JS = `
 web3._extend({
 	property: 'eth',
-	methods:
-	[
+	methods: [
 		new web3._extend.Method({
 			name: 'sign',
 			call: 'eth_sign',
@@ -396,10 +394,9 @@ web3._extend({
 			},
 			params: 2,
 			inputFormatter: [web3._extend.formatters.inputBlockNumberFormatter, web3._extend.utils.toHex]
-		})
+		}),
 	],
-	properties:
-	[
+	properties: [
 		new web3._extend.Property({
 			name: 'pendingTransactions',
 			getter: 'eth_pendingTransactions',
@@ -411,7 +408,7 @@ web3._extend({
 				}
 				return formatted;
 			}
-		})
+		}),
 	]
 });
 `
@@ -419,8 +416,7 @@ web3._extend({
 const Miner_JS = `
 web3._extend({
 	property: 'miner',
-	methods:
-	[
+	methods: [
 		new web3._extend.Method({
 			name: 'start',
 			call: 'miner_start',
@@ -451,7 +447,7 @@ web3._extend({
 		new web3._extend.Method({
 			name: 'getHashrate',
 			call: 'miner_getHashrate'
-		})
+		}),
 	],
 	properties: []
 });
@@ -461,12 +457,11 @@ const Net_JS = `
 web3._extend({
 	property: 'net',
 	methods: [],
-	properties:
-	[
+	properties: [
 		new web3._extend.Property({
 			name: 'version',
 			getter: 'net_version'
-		})
+		}),
 	]
 });
 `
@@ -474,8 +469,7 @@ web3._extend({
 const Personal_JS = `
 web3._extend({
 	property: 'personal',
-	methods:
-	[
+	methods: [
 		new web3._extend.Method({
 			name: 'importRawKey',
 			call: 'personal_importRawKey',
@@ -501,14 +495,13 @@ web3._extend({
 			name: 'deriveAccount',
 			call: 'personal_deriveAccount',
 			params: 3
-		})
+		}),
 	],
-	properties:
-	[
+	properties: [
 		new web3._extend.Property({
 			name: 'listWallets',
 			getter: 'personal_listWallets'
-		})
+		}),
 	]
 })
 `
@@ -517,12 +510,11 @@ const RPC_JS = `
 web3._extend({
 	property: 'rpc',
 	methods: [],
-	properties:
-	[
+	properties: [
 		new web3._extend.Property({
 			name: 'modules',
 			getter: 'rpc_modules'
-		})
+		}),
 	]
 });
 `
@@ -633,7 +625,7 @@ web3._extend({
 			name: 'newMessageFilter',
 			call: 'shh_newMessageFilter',
 			params: 1
-		})
+		}),
 	],
 	properties:
 	[
@@ -669,7 +661,7 @@ web3._extend({
 			name: 'listmounts',
 			call: 'swarmfs_listmounts',
 			params: 0
-		})
+		}),
 	]
 });
 `
@@ -696,7 +688,7 @@ web3._extend({
 				status.queued = web3._extend.utils.toDecimal(status.queued);
 				return status;
 			}
-		})
+		}),
 	]
 });
 `