summon a villager with two trades

en 1.9 /summon Villager Shops

10 emeralds=4 diamonds

1 emerald=chainmail chestplate

The command

Note: Minify the command to avoid issues :)

/summon Villager ~1 ~ ~ {
    Profession: 0,
    CustomName: "Farmer",
    CustomNameVisible: 1,
    Career: 1,
    CareerLevel: 42,
    CanPickUpLoot: 0,
    PersistenceRequired: 1,
    Invulnerable: 1,
    Attributes: [
        {
            Name: "generic.maxHealth",
            Base: 99999
        }
    ],
    ActiveEffects: [
        {
            Id: "6",
            Amplifier: 0,
            Duration: 2147483647
        }
    ],
    Offers: {
        Recipes: [
            {
                buy: {
                    id: "emerald",
                    Count: 10
                },
                maxUses: 9999999,
                sell: {
                    id: "diamond",
                    Count: 4
                },
                rewardExp: false
            },
            {
                buy: {
                    id: "emerald",
                    Count: 1
                },
                maxUses: 9999999,
                sell: {
                    id: "chainmail_chestplate",
                    Count: 1
                },
                rewardExp: false
            }
        ]
    }
}

Created: Mon, 21 Mar 2016 17:54:19, Updated: Mon, 21 Mar 2016 17:54:19, Views: 5