const script = this.app.env.bitcoin.script.compile([
hashOpcode,
Buffer.from(secretHash, "hex"),
this.app.env.bitcoin.opcodes.OP_EQUALVERIFY,

 Buffer.from(recipientPublicKey, "hex"),
 this.app.env.bitcoin.opcodes.OP_EQUAL,
 this.app.env.bitcoin.opcodes.OP_IF,

 Buffer.from(recipientPublicKey, "hex"),
 this.app.env.bitcoin.opcodes.OP_CHECKSIG
])

Buffer.from(recipientPublicKey, "hex"),
this.app.env.bitcoin.opcodes.OP_EQUAL,
this.app.env.bitcoin.opcodes.OP_AND,
Buffer.from(exchangePublicKey, "hex"),
this.app.env.bitcoin.opcodes.OP_EQUAL,
this.app.env.bitcoin.opcodes.OP_IF,

Buffer.from(recipientPublicKey, "hex"),
this.app.env.bitcoin.opcodes.OP_CHECKMULTISIG,
this.app.env.bitcoin.opcodes.OP_AND,
Buffer.from(exchangePublicKey, "hex"),
this.app.env.bitcoin.opcodes.OP_CHECKMULTISIG,
this.app.env.bitcoin.opcodes.OP_ELSE,