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lib/threefold/models_ledger/signature.v

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+module models_ledger
+
+import freeflowuniverse.herolib.data.encoder
+import freeflowuniverse.herolib.data.ourtime
+import freeflowuniverse.herolib.hero.db
+
+// Signature represents a digital signature in the system
+@[heap]
+pub struct Signature {
+	db.Base
+pub mut:
+	signer_id u32 @[index]
+	tx_id     u32 @[index]
+	signature string
+	timestamp u64
+}
+
+pub struct DBSignature {
+pub mut:
+	db &db.DB @[skip; str: skip]
+}
+
+pub fn (self Signature) type_name() string {
+	return 'signature'
+}
+
+pub fn (self Signature) description(methodname string) string {
+	match methodname {
+		'set' {
+			return 'Create or update a signature. Returns the ID of the signature.'
+		}
+		'get' {
+			return 'Retrieve a signature by ID. Returns the signature object.'
+		}
+		'delete' {
+			return 'Delete a signature by ID. Returns true if successful.'
+		}
+		'exist' {
+			return 'Check if a signature exists by ID. Returns true or false.'
+		}
+		'list' {
+			return 'List all signatures. Returns an array of signature objects.'
+		}
+		else {
+			return 'Signature management operations'
+		}
+	}
+}
+
+pub fn (self Signature) example(methodname string) (string, string) {
+	match methodname {
+		'set' {
+			return '{"signature": {"signer_id": 1, "tx_id": 123, "signature": "hex_encoded_signature"}}', '1'
+		}
+		'get' {
+			return '{"id": 1}', '{"signer_id": 1, "tx_id": 123, "signature": "hex_encoded_signature"}'
+		}
+		'delete' {
+			return '{"id": 1}', 'true'
+		}
+		'exist' {
+			return '{"id": 1}', 'true'
+		}
+		'list' {
+			return '{}', '[{"signer_id": 1, "tx_id": 123, "signature": "hex_encoded_signature"}]'
+		}
+		else {
+			return '{}', '{}'
+		}
+	}
+}
+
+pub fn (self Signature) dump(mut e encoder.Encoder) ! {
+	e.add_u32(self.signer_id)
+	e.add_u32(self.tx_id)
+	e.add_string(self.signature)
+	e.add_u64(self.timestamp)
+}
+
+fn (mut self DBSignature) load(mut o Signature, mut e encoder.Decoder) ! {
+	o.signer_id = e.get_u32()!
+	o.tx_id = e.get_u32()!
+	o.signature = e.get_string()!
+	o.timestamp = e.get_u64()!
+}
+
+@[params]
+pub struct SignatureArg {
+pub mut:
+	name        string
+	description string
+	signer_id   u32
+	tx_id       u32
+	signature   string
+}
+
+pub fn (mut self DBSignature) new(args SignatureArg) !Signature {
+	mut o := Signature{
+		signer_id: args.signer_id
+		tx_id:     args.tx_id
+		signature: args.signature
+		timestamp: ourtime.now().unix()
+	}
+
+	o.name = args.name
+	o.description = args.description
+	o.updated_at = ourtime.now().unix()
+
+	return o
+}
+
+pub fn (mut self DBSignature) set(o Signature) !Signature {
+	return self.db.set[Signature](o)!
+}
+
+pub fn (mut self DBSignature) delete(id u32) ! {
+	self.db.delete[Signature](id)!
+}
+
+pub fn (mut self DBSignature) exist(id u32) !bool {
+	return self.db.exists[Signature](id)!
+}
+
+pub fn (mut self DBSignature) get(id u32) !Signature {
+	mut o, data := self.db.get_data[Signature](id)!
+	mut e_decoder := encoder.decoder_new(data)
+	self.load(mut o, mut e_decoder)!
+	return o
+}
+
+pub fn (mut self DBSignature) list() ![]Signature {
+	return self.db.list[Signature]()!.map(self.get(it)!)
+}